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MS 3147 - Boulton and Watt Collection - 1761 - 1977
1 - Records of Boulton & Watt and Successor Firms - 1766 - 1919
2 - Legal Records - 1766 - 1851
3 - Correspondence and Papers - 1769 - 1895
1 - Correspondence Matthew Boulton to James Watt 1777 - 1777
2 - Correspondence Matthew Boulton to James Watt 1778 - 1778
3 - Correspondence Matthew Boulton to James Watt 1779 - 1779
4 - Correspondence Matthew Boulton to James Watt 1780 - 1780
5 - Correspondence Matthew Boulton to James Watt 1781 - 1781
6 - Correspondence Matthew Boulton to James Watt 1782 - 1782
7 - Correspondence Matthew Boulton to James Watt 1783 - 1783
8 - Correspondence Matthew Boulton to James Watt 1784 - 1784
9 - Correspondence Matthew Boulton to James Watt 1785 - 1785
10 - Correspondence Matthew Boulton to James Watt 1786 - 1786
11 - Correspondence Matthew Boulton to James Watt 1787 - 1787
12 - Correspondence Matthew Boulton to James Watt 1788 - 1788
13 - Correspondence Matthew Boulton to James Watt 1789 - 1789
14 - Correspondence Matthew Boulton to James Watt 1790 - 1790
15 - Correspondence Matthew Boulton to James Watt 1791 - 1791
16 - Correspondence Matthew Boulton to James Watt 1792 - 1792
17 - Correspondence Matthew Boulton to James Watt 1794 - 1794
18 - Correspondence Matthew Boulton to James Watt Jr. 1795 - 1795
19 - Correspondence Matthew Boulton to James Watt, James Watt Jr., M. R. Boulton 1796 - 1796
20 - Correspondence Matthew Boulton to James Watt 1797 - 1797
21 - Correspondence Matthew Boulton to to James Watt, James Watt Jr., M. R. Boulton 1799 - 1799
22 - Correspondence Matthew Boulton Miscellaneous Letters and Papers, 1783—1790s (11 items).* - 1783—1790s
23 - Correspondence James Watt to Matthew Boulton 1777 - 1777
24 - Correspondence James Watt to Matthew Boulton 1795 - 1795
25 - Correspondence James Watt to James Watt Jr. 1796 - 1796
26 - Correspondence James Watt to Matthew Robinson Boulton 1796 - 1796
27 - Correspondence James Watt to James Watt Jr. 1797 - 1797
28 - Correspondence James Watt to James Watt Jr. 1798 - 1798
29 - Correspondence James Watt to Matthew Robinson Boulton 1799 - 1799
30 - Correspondence James Watt to James Watt Jr. 1800 - 1800
31 - Miscellaneous correspondence from James Watt, 1776—1816 - 1776 - 1816
32 - James Watt, miscellaneous memoranda and papers, 1791—1816 - 1791 - 1816
33 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1795 - 1795
34 - Correspondence Matthew Robinson Boulton to James Watt Jr., James Watt, Matthew Boulton, 1796 - 1796
35 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1797 - 1797
36 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1798. - 1798
37 - Correspondence Matthew Robinson Boulton to James Watt, James Watt Jr., Gregory Watt, 1799 - 1799
38 - Correspondence Matthew Robinson Boulton to James Watt Jr., Gregory Watt, 1800 - 1800
39 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1801 - 1801
40 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1802 - 1802
41 - Matthew Robinson Boulton to James Watt Jr., Gregory Watt 1803 - 1803
42 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1804-1807 - 1804 - 1807
43 - Correspondence Matthew Robinson Boulton to James Watt Jr. 1808-1809 - 1808 - 1809
44 - Miscellaneous correspondence from Matthew Robinson Boulton to John Southern 1796-1803 - 1796 - 1803
45 - Correspondence James Watt Jr. to James Watt from 1794 and 1795 - 1794 - 1795
46 - Correspondence James Watt Jr. to James Watt and Matthew Robinson Boulton from 1796 and 1797 - 1796 - 1797
47 - Correspondence James Watt Jr. to Gregory Watt, Matthew Robinson Boulton and James Watt from 1798 - 1798
48 - Correspondence James Watt Jr. to M. R. Boulton and Gregory Watt from 1799 - 1799
49 - Correspondence James Watt Jr. to Matthew Robinson Boulton, James Watt and Gregory Watt from 1800 - 1800
50 - Correspondence James Watt Jr. to Matthew Robinson Boulton and Gregory Watt from 1801 - 1801
51 - Correspondence James Watt Jr. to Matthew Robinson Boulton and Gregory Watt from 1802 - 1802
52 - Correspondence James Watt Jr. to Matthew Robinson Boulton and Gregory Watt 1803 - 1803
53 - Correspondence James Watt Jr. to Matthew Robinson Boulton from 1804 - 1804
54 - Correspondence James Watt Jr. to Matthew Robinson Boulton from 1805 - 1805
55 - Correspondence James Watt Jr. to Matthew Robinson Boulton from 1806 - 1806
56 - Correspondence James Watt Jr. to Matthew Robinson Boulton from 1807 - 1807
57 - Correspondence James Watt Jr. to Matthew Robinson Boulton from 1808 - 1808
58 - Correspondence James Watt Jr. to Matthew Robinson Boulton from 1809 - 1809
59 - Correspondence James Watt Jr. to John Southern from 1789 to 1799 - 1789 - 1799
60 - Correspondence James Watt Jr. to John Southern from 1801 to 1811 - 1801 - 1811
61 - Correspondence James Watt Jr. to John Southern from 1812 to 1816 - 1812 - 1816
62 - Correspondence James Watt Jr., to William Creighton and James Brown 1817 - 1817
63 - Correspondence James Watt Jr. to William Creighton and William Bennett January to July 1818. - January 1818 - July 1818
64 - Correspondence James Watt Jr. to William Creighton July to December 1818 - July 1818 - December 1818
65 - Correspondence James Watt Jr. to William Creighton 1819 - 1819
66 - Correspondence James Watt Jr. to William Creighton and James Brown 1820 - 1820
67 - Correspondence James Watt Jr. to William Creighton January to June 1821 - January 1821 - June 1821
68 - Correspondence James Watt Jr. to William Creighton July to December 1821 - July 1821 - December 1821
69 - Correspondence James Watt Jr. to William Creighton 1822 - 1822
70 - Correspondence James Watt Jr. to William Creighton 1823 - 1824 - 1823 - 1824
71 - Correspondence James Watt Jr. to William Creighton 1825 - 1825
72 - Correspondence James Watt Jr. to Boulton Watt & Co. and William Creighton 1826 - 1826
73 - Correspondence James Watt Jr. to Boulton Watt & Co. and William Creighton 1827 - 1827
74 - Correspondence James Watt Jr. to Boulton Watt & Co. and William Creighton 1828 - 1829 - 1828 - 1829
75 - Correspondence James Watt Jr. to William Creighton and William Bennett 1830 - 1830
76 - Correspondence Gregory Watt to James Watt Jr., James Watt and M.R. Boulton 1797 - 1799 - 1797 - 1799
77 - Correspondence Gregory Watt to James Watt Jr. and M.R. Boulton 1800 - 1800
78 - Correspondence Gregory Watt to James Watt Jr. 1801 - 1802 - 1801 - 1802
79 - Correspondence Gregory Watt to James Watt Jr. and M.R. Boulton 1803 - 1803
80 - Letter Book - 12 June 1775 - 22 January 1778
81 - Letter Book (Office) - 31 Jan 1778 - 19 Jun 1780
82 - Letter Book. Copy press letters from James Watt - 23 July 1780 - 7 June 1781
83 - Letter Book - 24 June 1781—31 January 1782
84 - Business Letter Book - 30 April 1782 - 21 July 1784
85 - Business Letter Book - 23 Jul 1784 - 23 Mar 1786
86 - Letter Book - 22 Mar 1786 - 13 Feb 1788
87 - Letter Book (Office) - 14 Feb 1788 - 27 Dec 1790
88 - Letter Book (Office) - 29 Dec 1790 - 25 Aug 1793
89 - Letter Book (Office) - 30 Sep 1793 - 13 Sep 1795
90 - Letter Book (Office) - 14 Sep 1795 - 13 Aug 1796
91 - Letter Book (Office) - 15 Aug 1796 - 12 Jul 1797
92 - Letter Book (Office) - 12 Jul 1797 - 20 Jul 1798
93 - Letter Book (Office) - 22 Jul 1798 - 25 May 1799
94 - Letter Book (Office) - 28 May 1799 - 7 Mar 1800
95 - Letter Book (Office) - 7 Mar 1800 - 24 Nov 1800
96 - Letter Book (Office) - 24 Nov 1800 - 1 Jul 1801
97 - Letter Book (Office) - 1 Jul 1801 - 6 Apr 1802
98 - Letter Book (Office) - 5 Apr 1802 - 31 Dec 1802
99 - Letter Book (Office) - 1 Jan 1803 - 15 Sep 1803
100 - Letter Book (Office) - 15 Sep 1803 - 8 Aug 1804
101 - Letter Book (Office) - 9 Aug 1804 - 16 Jul 1805
102 - Letter Book (Office) - 16 Jul 1805 - 21 Jul 1806
103 - Letter Book (Office) - 22 Jul 1806 - 3 Jul 1807
104 - Letter Book (Office) - 3 Jul 1807 - 15 Sep 1808
105 - Letter Book (Office) - 15 Sep 1808 - 27 Feb 1810
106 - Letter Book (Office) - 27 Feb 1810 - 25 Mar 1811
107 - Letter Book (Office) - 25 March 1811 - 6 July 1812
108 - Letter Book (Office) - 6 Jul 1812 - 27 Dec 1813
109 - Business Letter Book - 27 Dec 1813 - 13 Feb 1815
110 - Business Letter Book - 13 Feb 1815 - 13 Feb 1816
111 - Business Letter Book - 15 Feb 1816 - 5 Jun 1817
112 - Business Letter Book - 7 Jun. 1817—15 Jun. 1821
113 - Business Letter Book - 16 Jun. 1821—23 Aug. 1823
114 - Business Letter Book - 25 Aug. 1823—14 Feb. 1828
115 - Letter Book (Foundry) - 14 Nov 1825 - 27 Jun 1827
116 - Business Letter Book - 28 Jun 1827 - 19 Aug 1828
117 - Business Letter Book - 20 Aug 1828 - 17 Apr 1830
118 - Business Letter Book - 17 Apr 1830 - 4 Apr 1831
119 - Business Letter Book - 4 Apr 1831 - 9 Jan 1832
120 - Business Letter Book - 9 Jan 1832 - 18 Oct 1832
121 - Business Letter Book - 18 Oct 1832 - 7 Oct 1833
122 - Business Letter Book - 7 Oct 1833 - 17 Aug 1834
123 - Business Letter Book - 15 Aug 1834 - 9 May 1835
124 - Business Letter Book - 11 May 1835 - 12 Jan 1836
125 - Business Letter Book - 13 Jan 1836 - 19 Sep 1836
126 - Business Letter Book - 20 Sep 1836 - 30 Jun 1837
127 - Business Letter Book - 1 Jul 1837 - 21 May 1838
128 - Business Letter Book - 21 May 1838 - 2 Jan 1840
129 - Business Letter Book - 2 Jan 1840 - 15 Sep 1841
130 - Business Letter Book - 15 Sep 1841 - 31 Mar 1843
131 - Business Letter Book - 3 Apr 1843 - 11 Jan 1845
132 - Business Letter Book - 11 Jan 1845 - 23 Jun 1846
133 - Business Letter Book - 23 Jun 1846 - 8 Dec 1847
134 - Business Letter Book - 10 Dec 1847 - 9 Oct 1850
135 - Business Letter Book - 9 Oct 1850 - 20 Nov 1852
136 - Business Letter Book - 22 Nov 1852 - 29 Nov 1854
137 - Business Letter Book - 30 Nov 1854 - 31 Jan 1857
138 - Business Letter Book - 31 Jan 1857 - 24 Feb 1859
139 - Business Letter Book - 25 Feb 1859 - 27 Jan 1861
140 - Business Letter Book - 28 Jan 1861 - 16 May 1862
141 - Business Letter Book - 17 May 1862 - 29 Sep 1863
142 - Business Letter Book - 29 Sep 1863 - 4 Jan 1865
143 - Business Letter Book - 4 Jan 1865 - 19 Oct 1866
144 - Business Letter Book - 20 Oct 1866 - 3 Oct 1868
145 - Letter Book - 21 Dec 1870 - 15 Oct 1872
146 - Letter Book - 15 Oct 1872 - 27 May 1874
147 - Letter Book - 27 May 1874 - 26 April 1875
148 - Letter Book - 27 April 1875 - 5 January 1876
149 - London Lettter Book - 6 January 1876 - 14 April 1877
150 - London Lettter Book - 16 Apr. 1877 - 1 May 1878
151 - London Lettter Book - 1 May 1878 - 23 Jan 1879
152 - London Lettter Book - 15 January 1879 - 19 January 1880
153 - London Lettter Book - 19 January 1880 - 5 April 1881
154 - London Lettter Book - 5 April 1881 - 27 April 1882
155 - London Lettter Book - 28 April 1882 - 18 January 1883
156 - London Lettter Book - 18 January 1883 - 30 October 1883
157 - London Lettter Book - 31 October 1883 - 13 September 1884
158 - London Lettter Book - 15 September 1884 - 24 June 1885
159 - London Lettter Book - 24 June 1885 - 20 November 1886
160 - London Lettter Book - 23 January 1889 - 5 January 1891
161 - London Lettter Book - 6 January 1891 - 3 May 1893
162 - Letter Book - 21 Jun 1877 - 12 Aug 1878
163 - Sundry Letter Books. - 1878-1880
164 - Sundry Letter Books. - 1883-1884
165 - Sundry Letter Books. - 13 December 1888 - 26 December 1890
166 - Sundry Letter Books. - 29 December 1890 - 1 November 1892
167 - Sundry Letter Books. - 1 Nov. 1892—1 Oct. 1894
168 - Old Letters, chiefly of Mr. Boulton. - 9 Jun. 1781—17 Apr. 1788
169 - Office Letter Book. - 13 Aug. 1777—28 Aug. 1783
170 - Drawing Office Letter Books. - 12 Oct. 1786—19 Oct. 1791
171 - Drawing Office Letter Books. - 21 Oct. 1791—24 Oct. 1794
172 - Drawing Office Letter Books. - 27 Oct. 1794—13 Oct. 1797
173 - Drawing Office Letter Books. - 20 Oct. 1797—15 Aug. 1800
174 - Drawing Office Letter Books. - 16 Aug. 1800—15 Mar. 1804
175 - Drawing Office Letter Books. - 22 Mar. 1804—13 Apr. 1809
176 - Drawing Office Letter Books. - 14 Apr. 1809—19 Aug. 1814
177 - Drawing Office Letter Books. - 17 Aug. 1814—29 Dec. 1819
178 - Drawing Office Letter Books. - 3 Jan. 1820—22 Aug. 1823
179 - Drawing Office Letter Books. - 25 Aug 1823 - 14 Feb 1828
180 - Bottom Office Sundry Letter Book. - 12 Aug. 1893—26 Sep. 1895
181 - Engine Yard Foreman’s Letter Book, Soho Manufactory. [now missing] - [c. 1833]
182 - Chief Cashier’s Letter Books.[now missing] - [c.1809]
183 - Chief Cashier’s Letter Books. - 2 Oct. 1818—29 Sep. 1823
184 - Chief Cashier’s Letter Books. - 30 Sep. 1823—6 Mar. 1827
185 - Chief Cashier’s Letter Books. - 8 Mar. 1827—31 Mar. 1831
186 - Chief Cashier’s Letter Books. - 2 Apr. 1831—9 Jan. 1835
187 - Chief Cashier’s Letter Books. - 21 Jan. 1835—2 Mar. 1837
188 - Chief Cashier’s Letter Books. - 6 Mar. 1837—25 Nov. 1839
189 - Chief Cashier’s Letter Books. - 24 Nov. 1839—1 Feb. 1843
190 - Clerks’ Letter Books, Soho Manufactory. - 21 Jul 1794 - 15 Aug 1794
191 - Clerks’ Letter Books, Soho Manufactory. - 1794—1796
192 - Clerks’ Letter Books, Soho Manufactory. - 1818—1819
193 - Clerks’ Letter Books, Soho Manufactory. - 28 Oct 1833—31 Dec. 1834
194 - Clerks’ Letter Books, Soho Manufactory. - 1 Feb. 1844—3 Mar. 1846
195 - Clerks’ Letter Book, Soho Foundry - 18 April 1796 - 16 January 1799
196 - Clerks’ Letter Book, Soho Foundry - 22 January 1799 - 16 January 1801
197 - Clerks’ Letter Book, Soho Foundry. - 17 January 1801 - c. 30 October 1802
198 - Clerks’ Letter Book, Soho Foundry - c. 2 Nov. 1802 - c. 18 September 1804
199 - Clerks’ Letter Book, Soho Foundry. - c. 20 September 1804 - 12 September 1806
200 - Clerks’ Letter Book, Soho Foundry - 19 September 1806 - 29 September 1808
201 - Clerks’ Letter Book, Soho Foundry - 30 September 1808 - 22 August 1810
202 - Clerks’ Letter Book, Soho Foundry - 22 August 1810 - 31 December 1811
203 - Clerks’ Letter Book, Soho Foundry. - 4 Jan. 1812—13 Feb. 1814
204 - Clerks’ Letter Book, Soho Foundry. - 15 Feb. 1814—11 Aug. 1815
205 - Clerks’ Letter Book, Soho Foundry. - 14 Aug. 1815—19 Sep. 1816
206 - Clerks’ Letter Book, Soho Foundry. - 19 Sep. 1816—2 Jun. 1818
207 - Clerks’ Letter Book, Soho Foundry. - 4 Jun. 1818—1 Dec. 1819
208 - Clerks’ Letter Book, Soho Foundry. - 2 Dec. 1819—28 Jun. 1821
209 - Clerks’ Letter Book, Soho Foundry. - 30 Jun. 1821—16 Oct. 1822
210 - Clerks’ Letter Book, Soho Foundry. - 16 Oct. 1822—12 Feb. 1824
211 - Clerks’ Letter Book, Soho Foundry. - 12 Feb. 1824—18 Apr. 1825
212 - Clerks’ Letter Book, Soho Foundry. - 15 Apr. 1825—6 Mar. 1826
213 - Clerks’ Letter Book, Soho Foundry. - 8 Mar. 1826—30 Oct. 1826
214 - Clerks’ Letter Book, Soho Foundry. - 1 Nov. 1826—26 Sep. 1827
215 - Clerks’ Letter Book, Soho Foundry. - 25 Sep. 1827—12 Nov. 1828
216 - Clerks’ Letter Book, Soho Foundry. - 12 Nov. 1828—27 Jun. 1830
217 - Clerks’ Letter Book, Soho Foundry. - 28 Jun. 1830—21 Sep. 1831
218 - Clerks’ Letter Book, Soho Foundry. - 23 Sep. 1831—3 Dec. 1832
219 - Clerks’ Letter Book, Soho Foundry. - 6 Dec. 1832—20 Mar. 1834
220 - Clerks’ Letter Book, Soho Foundry. - 22 Mar. 1834—19 Mar. 1835
221 - Clerks’ Letter Book, Soho Foundry. - 19 Mar. 1835—8 Feb. 1836
222 - Clerks’ Letter Book, Soho Foundry. - 10 Feb. 1836—22 Dec. 1836
223 - Clerks’ Letter Book, Soho Foundry. - 22 Dec. 1836—21 Nov. 1837
224 - Clerks’ Letter Book, Soho Foundry. - 21 Nov. 1837—12 Oct. 1838
225 - Clerks’ Letter Book, Soho Foundry. - 13 Oct. 1838—7 Nov. 1839
226 - Clerks’ Letter Book, Soho Foundry. - 7 Nov. 1839—18 Mar. 1841
227 - Clerks’ Letter Book, Soho Foundry. - 18 Mar. 1841—23 Aug. 1842
228 - Clerks’ Letter Book, Soho Foundry. - 1 Jan. 1844—19 Feb. 1846
229 - Clerks’ Letter Book, Soho Foundry. - 19 Feb. 1846—31 Dec. 1847
230 - Clerks’ Letter Book, Soho Foundry. - 1 Jan. 1848—9 Jul. 1851
231 - Clerks’ Letter Book, Soho Foundry. - 23 Feb. 1853—13 May 1854
232 - Clerks’ Letter Book, Soho Foundry. - 29 Dec. 1855—24 Jul. 1857
233 - Clerks’ Letter Book, Soho Foundry. - 16 Apr. 1859—18 Oct. 1861
234 - Clerks’ Letter Book, Soho Foundry. - 3 Jan. 1860—11 Jan. 1862
235 - Purchase of Stores, Soho Foundry. - 14 Nov. 1846—11 Jan. 1876
236 - Despatch Letters, Soho Foundry. - 4 Aug. 1855—21 Jan. 1857
237 - Letters to Carriers, Soho Foundry. - 3 Jan. 1876—6 Jun. 1879
238 - Letter Book, 13 Mar. 1886 - 25 Jul. 1893 - 13 Mar. 1886—25 Jul. 1893
239 - Miscellaneous Outgoing Correspondence. - 1782-1790
240 - Indexes to missing Letter Books. - nd
241 - Indexes to missing Letter Books. - [1870s]
242 - Indexes to missing Letter Books. - [1870s]
243 - Indexes to missing Letter Books. - nd
244 - Indexes to missing Letter Books. - nd
245 - Correspondence from Thomas Barnes - 1794 - 1798
246 - Correspondence from John Buchanan - 1780 - 1785
247 - Correspondence from Henry Creighton - 1804 - 1809
248 - Correspondence from William Creighton - 1796 - 1815
249 - Correspondence from Peter Ewart - 1790 - 1833
250 - Correspondence from William Forman - 1791 - 1800
251 - Correspondence from John Hall - 1778 - 1783
252 - Correspondence from Joseph Harrison - 1779 - 1787
253 - Correspondence from Logan Henderson, 1776 - 1776
254 - Correspondence from Logan Henderson, 1777 - 1777
255 - Correspondence from Logan Henderson, 1778 - 1778
256 - Correspondence from Logan Henderson, 1779 - 1779
257 - Correspondence from Logan Henderson, 1780 - 1780
258 - Correspondence from Logan Henderson, 1781 - 1781
259 - Correspondence from Logan Henderson, 1782 - 1790 - 1782 - 1790
260 - LETTERS TO LOGAN HENDERSON FROM MATTHEW BOULTON AND JAMES WATT 1777, 1781 - 1777 - 1781
261 - JABEZ CARTER HORNBLOWER, 1778—1779 - 1778 - 1779
262 - SAMUEL HURT; ABRAHAM STOREY; SIMON VIVIAN - 1800—1811
263 - Letters from Eidingtoun Smeaton Hutton, 1804 - 1805 - 1804 - 1805
264 - Letters from Eidingtoun Smeaton Hutton, 1806 - 1806
265 - Letters from Eidingtoun Smeaton Hutton, 1807 - 1807
266 - Letters from Eidingtoun Smeaton Hutton, 1808 - 1808
267 - Letters from Eidingtoun Smeaton Hutton, 1809 - 1809
268 - Letters from James Law from 1781 to 1792 - 1781—1792
269 - Letters from James Lawson, 1781 - 1787 - 1781 - 1787
270 - Letters from James Lawson, 1793 - 1795 - 1793 - 1795
271 - Letters from James Lawson, 1796 - 1796
272 - Letters from James Lawson, 1797 - 1797
273 - Letters from James Lawson, 1798 - 1798
274 - Letters from James Lawson, 1799 - 1799
275 - Letters from James Lawson, 1800 - 1800
276 - Letters from James Lawson, 1802 - 1802
277 - Letters from James Lawson: 2 miscellaneous letters, 1806 - 1806
278 - Letters to James Lawson, 1793 - 1793
279 - Letters to James Lawson, 1794 - 1794
280 - Letters to James Lawson, 1795 - 1795
281 - Letters to James Lawson, 1796 - 1796
282 - Letters to James Lawson, 1797 - 1797
283 - Letters to James Lawson, 1798 - 1798
284 - Letters to James Lawson, 1799 - 1799
285 - Miscellaneous letters to James Lawson, 1800, 1804 - 1800 - 1804
286 - Letters from Robert Muir (Moor), 1783 - 1789 - 1783 - 1789
287 - Letters from James Murdock, 1788 - 1795 - 1788 - 1795
288 - Letters from John Murdock from 1806 and 1810 - 1814 - 1806 - 1814
289 - Letters from William Murdock, 1779 - 1814 - 1779 - 1814
290 - Letters from William Murdock Jr. 1806 - 1831 - 1806 - 1831
291 - Letters from James Pearson, 1781 - 1796 - 1781 - 1796
292 - Letters to James Pearson, 1780 - 1814 - 1780 - 1815
293 - Letters from John Rennie, 1784 - 1786 - 1784 - 1786
294 - Letters from John Rennie, 1787 - 1788 - 1787 - 1788
295 - Letters from John Rennie, 1789 - 1791 - 1789 - 1791
296 - Letters from John Rennie, 1792 - 1795 - 1792 -1795
297 - Letters from John Rennie, 1796 - 1796
298 - Letters from John Rennie, 1797 - 1797
299 - Letters from John Rennie, answered by John Southern, 1786 - 1793 - 1786 - 1793
300 - Letters from John Rennie, answered by John Southern, 1794 - 1798 - 1794 - 1798
301 - Letters from John Rennie, 1798 - 1799 - 1798 - 1799
302 - Letters from John Rennie, 1800 - 1800
303 - Letters from John Rennie, 1801 - 1801
304 - Letters from John Rennie, 1802 - 1802
305 - Letters from John Rennie, 1803 - 1803
306 - Letters from John Rennie, 1804 - 1804
307 - Letters from John Rennie, 1805 - 1805
308 - Letters from John Rennie, 1806 - 1806
309 - Letters from John Rennie, 1807 - 1807
310 - Letters from John Rennie, 1808 - 1808
311 - Letters from John Rennie, 1809 - 1809
312 - Letters from John Rennie, 1810 - 1811 - 1810 - 1811
313 - Letters from John Rennie, 1812 - 1813 - 1812 - 1813
314 - Letters from John Rennie, 1814 - 1814
315 - Letters from John Rennie, 1815 - 1815
316 - Letters from John Rennie, 1816 - 1816
317 - Letters from John Rennie, 1817 - 1817
318 - Letters from John Rennie, 1818 - 1818
319 - Letters from John Rennie, 1819 - 1819
320 - Letters from John Rennie, 1820 - 1820
321 - Letters from Agents, Engine Erectors and Employees at Soho - 1821 - 1830
322 - Correspondence from George and John Rennie 1831 - 1837 - 1831 - 1837
323 - Correspondence from George and John Rennie 1838 - 1843 - 1838 - 1843
324 - Correspondence from John Walker to George and John Rennie 1821 - 1831 - 1821 - 1831
325 - Correspondence from John Southern and Thomas Southern - 1778 - 1793
326 - Correspondence from John Southern 1794 - 1794
327 - Correspondence from John Southern 1795 - 1795
328 - Correspondence from John Southern 1796 - 1796
329 - Correspondence from John Southern 1797 and 1798 - 1797- 1798
330 - Correspondence from John Southern 1799 - 1799
331 - Correspondence from John Southern 1800 to 1806 - 1800 - 1806
332 - Correspondence from John Southern 1807 to 1811 - 1807 - 1811
333 - Correspondence from John Southern 1812 to 1815 - 1812 - 1815
334 - John Southern – accounts with his executors, 1815 - 1815
335 - Correspondence from David Watson 1786 - 1793 - 1786 - 1793
336 - Correspondence from Henry Williams 1779 - 1783 - 1779 - 1783
337 - Correspondence from Thomas Wilson 1777 - 1777
338 - Correspondence from Thomas Wilson 1778 - 1778
339 - Correspondence from Thomas Wilson 1779 - 1779
340 - Correspondence from Thomas Wilson 1780 - 1780
341 - Correspondence from Thomas Wilson 1781 - 1781
342 - Correspondence from Thomas Wilson 1782 - 1782
343 - Correspondence from Thomas Wilson 1783 - 1783
344 - Correspondence from Thomas Wilson 1784 - 1784
345 - Correspondence from Thomas Wilson 1785 - 1785
346 - Correspondence from Thomas Wilson 1786 - 1786
347 - Correspondence from Thomas Wilson 1787 - 1787
348 - Correspondence from Thomas Wilson 1788 - 1788
349 - Correspondence from Thomas Wilson 1789 - 1789
350 - Correspondence from Thomas Wilson 1790 - 1790
351 - Correspondence from Thomas Wilson 1791 - 1791
352 - Correspondence from Thomas Wilson 1792 - 1792
353 - Correspondence from Thomas Wilson 1793 - 1793
354 - Correspondence from Thomas WIilson 1794 - 1794
355 - Correspondence from Thomas Wilson 1795 - 1795
356 - Correspondence from Thomas Wilson 1796 - 1796
357 - Correspondence from Thomas Wilson 1797 - 1797
358 - Correspondence from Thomas Wilson 1798 - 1798
359 - Correspondence from Thomas Wilson 1799 - 1799
360 - Correspondence from Thomas Wilson 1800 - 1800
361 - Correspondence from Thomas Wilson 1801 - 1800
362 - Correspondence from Thomas Wilson 1804 - 1804
363 - Correspondence from Thomas Wilson 1806 to 1810 - 1806 - 1810
364 - Correspondence from Thomas Wilson - Private Affairs 1797 to 1803 - 1797 - 1803
365 - Thomas Wilson – Bonds and Papers concerning his debts to Boulton & Watt 1794 to 1807 - 1794 - 1807
366 - Correspondence from John Woodward 1795 to 1796 - 1795 - 1796
367 - Correspondence from John Woodward 1797 to 1798 - 1797 - 1798
368 - Correspondence from John Woodward 1799 to 1800 - 1799 - 1800
369 - Correspondence from John Woodward 1804 - 1804
370 - General Incoming Correspondence A, 1775 - 1785 - 1775 - 1785
370 - General Incoming Correspondence A, 1775 - 1785 - 1775 - 1785
371 - General Incoming Correspondence B, 1775 - 1785 - 1775 - 1785
371 - General Incoming Correspondence B, 1775 - 1785 - 1775 - 1785
372 - General Incoming Correspondence C, 1775 - 1785
372 - General Incoming Correspondence C, 1775 - 1785 - 1775 - 1785
373 - General Incoming Correspondence D & E, 1775 - 1785
373 - General Incoming Correspondence D, E 1775 - 1785 - 1775 - 1785
374 - General Incoming Correspondence F, 1775 - 1785 - 1775 - 1785
375 - General Incoming Correspondence G, 1775 - 1785 - 1775 - 1785
375 - General Incoming Correspondence G, 1775 - 1785 - 1775 - 1785
376 - General Incoming Correspondence H, 1775 - 1785 - 1775 - 1785
377 - General Incoming Correspondence I, J, K 1775-1785 - 1775 - 1785
378 - General Incoming Correspondence L, 1775 - 1785 - 1775 - 1785
379 - General Incoming Correspondence M, 1775 - 1785 - 1775 - 1785
380 - General Incoming Correspondence N, O & P, 1775 - 1785 - 1775 - 1785
380 - General Incoming Correspondence N,O, P 1775 - 1785 - 1775 - 1785
381 - General Incoming Correspondence R, 1775 - 1785
381 - General Incoming Correspondence R, 1775 - 1785 - 1775 - 1785
382 - General Incoming Correspondence S, 1775 - 1785 - 1775 - 1785
383 - General Incoming Correspondence T, V 1775 - 1785 - 1775 - 1785
384 - General Incoming Correspondence W, Y 1775 - 1785 - 1775 - 1785
385 - General Correspondence, A, 1785 - 1795 - 1785 - 1795
386 - General Correspondence, B, 1785 - 1795 - 1785 - 1795
387 - General Correspondence, C, 1785 - 1795 - 1785 - 1795
388 - General Correspondence, D, 1785 - 1795 - 1785 - 1795
389 - General Correspondence, E, 1785 - 1795 - 1785 - 1795
390 - General Correspondence, F, 1785 - 1795 - 1785 - 1795
391 - General Correspondence, G, 1785 - 1795 - 1785 - 1795
392 - General Correspondence, H, 1785 - 1795 - 1785 - 1795
393 - General Correspondence, I, J, 1785 - 1795 - 1785 - 1795
394 - General Correspondence, K, 1785 - 1795 - 1785 - 1795
395 - General Correspondence, L, 1785 - 1795 - 1785 - 1795
396 - General Correspondence, M, 1785 - 1795 - 1785 - 1795
397 - General Correspondence, N, O, 1785 - 1795 - 1785 - 1795
398 - General Correspondence, P, 1785 - 1795 - 1785 - 1795
399 - General Correspondence, R, 1785 - 1795 - 1785 - 1795
400 - General Correspondence, S, 1785 - 1795 - 1785 - 1795
401 - General Correspondence, T, 1785 - 1795 - 1785 - 1795
402 - General Correspondence, U, V, 1785 - 1795 - 1785 - 1795
403 - General Correspondence, W, 1785 - 1795 - 1785 - 1795
404 - General Correspondence, Y, 1785 - 1795 - 1785 - 1795
405 - General Correspondence, A, 1795 - 1798 - 1795 - 1798
406 - General Correspondence, B, 1795 - 1798 - 1795 - 1798
407 - General Correspondence, C, 1795 - 1798 - 1795 - 1798
408 - General Correspondence, D, 1795 - 1798 - 1795 - 1798
409 - General Correspondence, E, 1795 - 1798 - 1795 - 1798
410 - General Correspondence, F, 1795 - 1798 - 1795 - 1798
411 - General Correspondence, G, 1795 - 1798 - 1795 - 1798
412 - General Correspondence, H, 1795 - 1798 - 1795 - 1798
413 - General Correspondence, I, J, 1795 - 1798 - 1795 - 1798
414 - General Correspondence, K, 1795 - 1798 - 1795 - 1798
415 - General Correspondence, L, 1795 - 1798 - 1795 - 1798
416 - General Correspondence, M, 1795 - 1798 - 1795 - 1798
417 - General Correspondence, N, O, 1795 - 1798 - 1795 - 1798
418 - General Correspondence, P, 1795 - 1798 - 1795 - 1798
419 - General Correspondence, R, 1795 - 1798 - 1795 - 1798
420 - General Correspondence, S, 1795 - 1798 - 1795 - 1798
421 - General Correspondence, T, 1795 - 1798 - 1795 - 1798
422 - General Corrrespondence, U, V, 1795 - 1798 - 1795 - 1798
423 - General Corrrespondence, W, Y, 1795 - 1798 - 1795 - 1798
424 - General Correspondence dealt with by John Southern, A, 1788 - 1797 - 1788 - 1797
425 - General Correspondence dealt with by John Southern, B, 1786 - 1799 (215 items). - 1786 - 1799
426 - General Correspondence dealt with by John Southern, C, 1787 - 1798 (200 items). - 1787 - 1798
427 - General Correspondence dealt with by John Southern, D, 1788 - 1798 (200 items). - 1788 - 1798
428 - General Correspondence dealt with by John Southern, E, 1791 - 1797 (6 items). - 1791 - 1797
429 - General Correspondence dealt with by John Southern, F, 1788 - 1797 (75 items). - 1788 - 1797
430 - General Correspondence dealt with by John Southern, G, 1787 - 1798 (151 items). - 1787 - 1798
431 - General Correspondence dealt with by John Southern, H, 1787 - 1798 (157 items). - 1787 - 1798
432 - General Correspondence dealt with by John Southern, I, J, 1787 - 1798 (67 items). - 1787 - 1798
433 - General Correspondence dealt with by John Southern, K, 1790 - 1798 (37 items). - 1790 - 1798
434 - General Correspondence dealt with by John Southern, L, 1789 - 1799 (13 items). - 1789 - 1799
435 - General Correspondence dealt with by John Southern, M, 1788 - 1798 (42 items). - 1788 - 1798
436 - General Correspondence dealt with by John Southern, N, O, P, 1790 - 1798 (18 items). - 1790 - 1798
437 - General Correspondence dealt with by John Southern, S, 1790 - 1798. - 1790 - 1798
438 - General Correspondence dealt with by John Southern, T, 1788 - 1795 - 1788 - 1795
439 - Miscellaneous General Correspondence, 1799 - 1828 (129 items). - 1799 - 1828
440 - Miscellaneous General Correspondence dealt with in the Drawing Office, 1799 - 1825 - 1799 - 1825
441 - General Correspondence received in the Drawing Office, 1829 - 1843, A (2 items). - 1829 - 1843
442 - General Correspondence received in the Drawing Office, 1829 - 1843, B (132 items). - 1829 - 1843
443 - General Correspondence received in the Drawing Office, 1829 - 1843, C (5 items). - 1829 - 1843
444 - General Correspondence received in the Drawing Office, 1829 - 1843, D (57 items). - 1829 - 1843
445 - General Correspondence received in the Drawing Office, 1829 - 1843, E (33 items). - 1829 - 1843
446 - General Correspondence received in the Drawing Office, 1829 - 1843, F (7 items). - 1829 - 1843
447 - General Correspondence received in the Drawing Office, 1829 - 1843, G (168 items). - 1829 - 1843
448 - General Correspondence received in the Drawing Office, 1829 - 1843, H (191 items). - 1829 - 1843
449 - General Correspondence received in the Drawing Office, 1829 - 1843, J – L (5 items). - 1829 - 1843
450 - General Correspondence received in the Drawing Office, 1829 - 1843, M, N (21 items). - 1829 - 1843
451 - General Correspondence received in the Drawing Office, 1829 - 1843, P, Q (99 items). - 1829 - 1843
452 - General Correspondence received in the Drawing Office, 1829 - 1843, R (75 items). - 1829 - 1843
453 - General Correspondence received in the Drawing Office, 1829 - 1843, S (162 items). - 1829 - 1843
454 - General Correspondence received in the Drawing Office, 1829 - 1843, T (16 items). - 1829 - 1843
455 - General Correspondence received in the Drawing Office, 1829 - 1843, W (97 items). - 1829 - 1843
456 - Miscellaneous General Correspondence, 1846 - 1862 - 1846—1862
457 - Cornish Mines and Engines, correspondence and papers, 1775—1799 - 1775—1799
458 - Cornish Mines and Engines, correspondence and papers, (227 items). - c. 1777 - 1801
1 - Letter. William Pasmore (Helston) to M. R. Boulton (Truro). 27 Aug. 1799. - 27 Aug 1799
2 - Letter. William Pasmore (Helston) to M. R. Boulton (Truro). 31 Aug. 1799. - 31 Aug 1799
3 - Indenture. Assignment by Matthew Boulton and Thomas Wilson of 1/32 part or share of Chacewater Adventure in the Parish of Kenwyn to William Paul. 16 Jun. 1786. - 16 Jun 1786
4 - Memorandum. Mr. Milles’ opinion on the case of Chacewater poors rate. 31 Jan. 1787. - 31 Jan 1787
5 - Memorandum. Copy of Thomas Mills’ opinion of the case of Chacewater Poor Rates. Lincoln’s Inn, 31 Jan. 1787. - 31 Jan 1787
6 - Memorandum. Calculations for Wheal Virgin and Wheal Maid. 5 Dec. 1778. - 5 Dec 1778
7 - Memorandum. Proposals respecting Wheal Virgin and the mines connected with it. 1779. - 1779
8 - Memorandum. Resolution of Wheal Virgin adventurers at Truro. 26 Oct. 1779. - 26 Oct 1779
9 - Transcript of letter. James Watt (Chacewater) to Thomas Daniel (Truro). 27 Oct. 1779. - 27 Oct 1779
10 - Notebook. Wheal Virgin, 18 Oct. 1780. 32 pages. - 18 Oct. 1780
11 - Calculations. Wheal Virgin water. [Circa 1780.] - Circa 1780
12 - Letter. Thomas Daniell (Truro) to Boulton & Watt (Birmingham). 20 Feb. 1783. - 20 Feb 1783
13a - Draft of letter. Boulton & Watt (—) to Mr. Phillips (—). 6 Mar. 1783. - 6 Mar 1783
13b - Draft of letter. Boulton & Watt (—) to Mr. Phillips (—). — Mar. 1783. - Mar 1783
14 - Account. Wheal Virgin loss to the end of Mar. 1783. - Mar 1783
15 - Letter. Thomas Daniell & Son (Truro) to Boulton & Watt (Birmingham). 11 Jun. 1785. - 11 Jun 1785
16 - Memorandum. At a meeting of the Consolidated Mines Adventurers. Truro, 22 Sep. 1785. - 22 Sep 1785
17a - Letter. William Paul Jr. (Trevarth) to James Watt [?] [Birmingham]. 15 Sep. 1786. - 15 Sep 1786
17b - Memorandum. Resolution at a meeting of the Consolidated Mines adventurers. 15 Sep. 1786. - 15 Sep 1786
18 - Letter. Thomas Daniell & Son (Truro) to Boulton & Watt (Birmingham). 21 Apr. 1787. - 21 Apr 1787
19 - Letter. Thomas Daniell & Son (Truro) to Boulton & Watt (Birmingham). 16 Jun. 1787. - 16 Jun 1787
20a - Draft of letter. James Watt [Soho] to Thomas Daniell & Son [Truro]. 21 Jun. 1787. - 21 Jun 1787
20b - Draft of letter. Earlier [?] draft of the above. - nd
21 - Letter. R. A. Daniell (Truro) to Matthew Boulton [Soho]. 18 Jul. 1788. - 18 Jul 1788
22 - Letter. R. A. Daniell (Truro) to Matthew Boulton (Soho). 4 Aug. 1788. - 4 Aug 1788
23 - Account. Coals consumed by the old fire engines at Consolidated mines in May 1779… coals consumed in May 1789. - 1789
24 - Letter. R. A. Daniell (Truro) to Matthew Boulton (Soho). 4 Jun. 1790. - 4 Jun 1790
25a - Draft of letter. Matthew Boulton [Soho] to R. A. Daniell [Truro]. — 1790. - 1790
25b - Draft of letter. Matthew Boulton [Soho] to R. A. Daniell [Truro]. — 1790. - 1790
26 - Transcript of letter. Boulton & Watt [Soho] to R. A. Daniell [Truro]. 16 Apr. 1791. - 16 Apr 1791
27 - Letter. R. A. Daniell (Truro) to Boulton & Watt (Soho). 4 Nov. 1793. - 4 Nov 1793
28 - List of Wheal Virgin Adventurers. Not dated. - nd
29a-b - Lists of adventurers in Consolidated Mines and their share holdings. Not dated. - nd
30 - Sketch. Edward Bull’s alteration of Elvan engine. [Circa 1794?] - Circa 1794
31 - Memorandum & calculations. Elvan engine. Jul. & Aug. —. - nd
32 - Memorandum. The Case of Consolidated Mines. 17 Oct. 1794. 2 sheets. - 17 Oct 1794
33 - Draft deed. Copy of draft proposed deed poll respecting payment of proportions of premiums. 1794. 4 sheets. - 1794
34a - Memorandum. Consolidated Mines. 12 Aug. 1795. - 12 Aug 1795
34b - Memorandum. Engines now working on Consolidated Mines. 12 Aug. 1795. - 12 Aug 1795
35a - Transcript of protest. James Tippet to Ralph Allen Daniel. 9 Jan. 1797. - 9 Jan 1797
35b - Transcript of protest. James Tippet to William Paul, Purser, Joseph Morcom and other Managers of Consolidated Mines. 9 Jan. 1797. - 9 Jan 1797
36a - Account. Boulton & Watt debtors to William Paul for their 1/32 share in Consolidated Mines. May 1793—Oct. 1797. - May 1793—Oct 1797
36b - Account. Earlier version of the above, covering May 1793—Jan. 1797. - May 1793—Jan 1797
37 - Memorandum. Price of coals at Consolidated Mines from 1782 to 1798. - 1782-1798
38 - Account. Statement of Costs due to and ores sold from Consolidated Mines. May 1793—Nov. 1798. - May 1793—Nov 1798
39 - Memorandum. Wheal Virgin premiums calculated upon the engines at work to end of Dec. 1798. - Dec 1798
40a - Memorandum. Coals consumed by Fire Engines from the end of Sep. 1778 to the end of Sep. 1779, taken from the Custom House books at Truro. 8 Mar. 1799. - 8 Mar 1799
40b - Memorandum. Coals consumed by 7 Fire Engines on the Consolidated Mines from end of Jun. 1778 to end of Jun. 1779. - 1779
41 - Account. Statement of the Costs due from Boulton & Watt to the Consolidated Mines. 31 Mar. 1799. - 31 Mar 1799
42 - Letter. T. Grylls (Mr. T. Nankivell’s) to Thomas Wilson [Truro]. “Friday Noon” [— Apr. 1799]. - Apr 1799
43 - Letter. R. A. Daniell (Truro) to M. R. Boulton [Truro]. 20 Apr. 1799. - 20 Apr 1799
44 - Memorandum. Agreement with William Hore on behalf of Mr. Daniell and other adventurers in Consolidated Mines. 30 May 1799. - 30 May 1799
45 - Memorandum. Extracts from Deed between James Watt & Matthew Boulton and Thomas Daniell on behalf on Consolidated Mines adventurers, 21 Nov. 1780, with copies of the questions submitted to Mr. Erskine. 5 sheets. - 1780
46 - Memorandum. Names of Adventurers in Consolidated Mines, with the amounts to be refunded to them. Circa Jul. 1800. - Circa Jul 1800
47 - Memorandum. Dolcoath engines. Sep. 1777. - Sep 1777
48 - Memorandum. The consumption of coals at Dolcoath and Wheal Prosper Mines in Sep. & Oct. 1779. - 1779
49 - Memorandum. Dolcoath engines. Nov. 1779. - Nov 1779
50 - Memorandum. Dolcoath Engines. 17 Nov. 1780. - 17 Nov 1780
51 - Memorandum. Capt. E. Rogers’ observations on and objections against the comparative trial made by Capt. Trevithick and Budge at Dolcoath. [Circa Apr. 1782.] - Circa Apr 1782
52 - Memorandum. Capt. Trevithick’s trial on Dolcoath old engine, a 63 inch cylinder said to be 6 feet stroke, in the month of April 1782. From a letter of Mr. Wilson’s of 6 Jun. 1782. - 6 Jun 1782
53 - Memorandum. Experiments at Dolcoath in 1782 to ascertain the consumption of the old and new engines. Delivered to us by Capt. Trevithick Jr. [i.e. Richard Trevithick] 30 Sep. 1797. - 30 Sep 1797
54 - Memorandum. Godolphin Mine, with statement of account. - nd
55 - Memorandum. List of papers respecting Godolphin delivered to Messrs. Weston; List of Mines which paid Boulton & Watt after their patent was established. [1800?] - 1800
56 - Memorandum. Memorandums relative to the Action against Godolphin Adventurers. 14 May 1801. - 14 May 1801
57 - Memorandum. Godolphin. [1801?] - 1801
58 - Memorandum. In the Common Pleas – Boulton v. Rowe: Copy List of 48. Not dated. - nd
59 - Memorandum. In the Common Pleas – Boulton v. Rowe: Copy List of the 48. Not dated. - nd
60 - Memorandum. In the Common Pleas – Boulton v. Rowe: Copy List of 24. Not dated. - nd
61a - Manuscript. Extracts from the letters relative to the steam engine on Godolphin Mine. 12 Feb. 1786—31 Dec. 1793. 10 pages. - 12 Feb 1786—31 Dec 1793
61b - Memorandum. Case of Godolphin Mine. 2 sheets. - nd
62 - Bundle wrapper. - nd
63 - Letter. B. Lewett & Co. (Marazion) to James Watt (Birmingham). 26 Feb. 1778. - 26 Feb 1778
64 - Memorandum. An account of the consumption of coals by the two Eastern and the middle Fire Engines at Poldice Mine, and Calculations therefrom of the Coals which would be consumed by a Common fire engine equal in power and length of stroke to the new engine erected at Hallamanin Mine according to the invention of James Watt. [Circa 1778.] - Circa 1778
65 - Transcript of letter. James Watt (Chacewater) to John Bevan [Marazion]. 29 Oct. 1779. - 29 Oct 1779
66 - Letter. John Bevan (Marazion) to James Watt (Redruth). 29 Oct. 1779. - 29 Oct 1779
67 - Transcript of letter. Boulton & Watt (Chacewater) to John Bevan (Marazion). 14 Jan. 1780. - 14 Jan 1780
68 - Memorandum. A view of Hallamanin bottoms back. By Matthew Angove & John Daws. 9 Nov. 1787. - 9 Nov 1787
69 - Memorandum. A state[ment] of Retallack Mine with an Estimate of the Engines & their other materials on the mine together with the depths and length of the ore ground etc. etc. By Richard Hodge, St. Hilary. 8 Sep. 1788. - 8 Sep 1788
70 - Letter. Thomas Williams (Anglesey) to Matthew Boulton [Soho]. 6 Oct. 1788. - 6 Oct 1788
71 - Calculations. Not dated. - nd
72 - Letter. John Hawkins (5 Cavendish Square, Chandos St., London) to Matthew Boulton [Birmingham]. 25 May —. - nd
73 - Memorandum. Plan for the Management of Hallamanin. Not dated. 2 sheets. - nd
74 - Memorandum. Extracts from Boulton & Watt’s letter to Thomas Wilson [?] of 12 May 1798 and James Watt’s letter to Mr. — Carne of 17 May 1798. - 1798
75 - Memorandum. Extracts from an agreement for an engine with the Adventurers of Hewas Mine. [Circa 1794. Incomplete]. - [c. 1794]
76 - Draft of letter. Matthew Boulton [Soho] to the Proprietors of North Downs Mine. 1784. - 1784
77 - Letter. John Williams (Burncoose) to Boulton & Watt (Soho). 2 Feb. 1785. - 2 Feb 1785
78 - Letter. William Paul & John Williams (Burncoose) to Boulton & Watt (Soho). 11 Feb. 1785. - 11 Feb 1785
79 - Letter. John Williams (Burncoose) to Boulton & Watt (Soho). 12 Jan. 1786. - 12 Jan 1786
80 - Letter. John Williams (Burncoose) to Boulton & Watt (Soho). 9 Feb. 1787. - 9 Feb 1787
81a - Letter. John Williams (Scorrier) to Boulton & Watt [Soho]. 15 Aug. 1787. - 15 Aug 1787
81b - Memorandum. Request of the North Downs adventurers. 13 Aug. 1787. - 13 Aug 1787
82 - Letter. John Williams (Scorrier) to Boulton & Watt (Soho). 24 May 1791. - 24 May 1791
83 - Letter. John Williams (Scorrier) to Boulton & Watt (Soho). 22 Nov. 1792. - 22 Nov 1792
84 - Letter. John Williams (Scorrier) to Boulton & Watt (Soho). 4 Nov. 1793. - 4 Nov 1793
85 - Note. Coals consumed by Poldice Lower Engines in Aug. & Sep. 1778. - 1778
86 - Memorandum. Proposal to Poldice. [Circa 1778]. - Circa 1778
87a - Certificate of coal consumption and performance of the two Eastern engines. 30 Oct. 1778. - 30 Oct 1778
87b - Copy of the above certificate. - nd
88 - Memorandum. Transcript of the above certificate. - nd
89 - Memorandum. Memorandum of Obeservations to be made at Poldice. [Circa 1778?] - Circa 1778
90 - Memorandum & tables. Calculations on the performance of the Eastern and Middle engines. [Circa 1778?] - Circa 1778
91 - Memorandum. Points to be discussed at a meeting about Wheal Virgin and Poldice. [Circa 1781?] - Circa 1781
92 - Letter. John Vivian (Dolcoath) to Boulton & Watt (Soho). 5 Aug. 1782. - 5 Aug 1782
93 - Notes & calculations. Poldice New Engine – an account of its working. [Circa 1785—1786?] 2 sheets. - Circa 1785—1786
94 - Sketch & calculations. Poldice shafts. [Circa 1785?] - Circa 1785
95 - Letter. John Vivian (Truro) to Matthew Boulton (Soho). 30 Jun. 1786. - 30 Jun 1786
96 - Letter. John Vivian (Truro) to Matthew Boulton [Soho]. 27 Jul. 1786. - 27 Jul 1786
97 - Transcript of letter. Boulton & Watt (Birmingham) to John Vivian [Truro]. 1 Aug. 1786. - 1 Aug 1786
98 - Draft of letter. Boulton & Watt [Birmingham] to John Vivian [Truro]. [1 Aug. 1786]. - 1 Aug 1786
99 - Calculations. Powers of Poldice past, present and to come. [Circa 1787?] - Circa 1787
100 - Memorandum. Oppey’s Engine, Poldice – pumps. [Circa 1787?] - Circa 1787
101 - Rough calculations. Mainly concerning the Wheal Prosper engine. [1790s?]. - 1790s
102 - Calculations. On engines – Poldice etc. [Crica 1791?] - c.1791
103 - Memorandum. Notes on Poldice and Wheal Butson. [Circa 1791.] - Circa 1791
104 - Memorandum. Jottings for an address to the Cornish gentlemen. [Circa 1791?] - Circa 1791
105 - Memorandum. Definition of what constitutes the best engine. [Circa 1791?] - Circa 1791
106 - Letter. John Vivian (Truro) to Boulton & Watt (Birmingham). 19 Mar. 1791. - 19 Mar 1791
107 - Transcript of letter. Boulton & Watt (Birmingham) to John Vivian [Truro]. 16 Apr. 1791. - 16 Apr 1791
108 - Transcript of letter. Boulton & Watt (Birmingham) to the Adventurers in Poldice Mine. 4 Jul. 1792. - 4 Jul 1792
109 - Letter. Thomas Wilson (Truro) to Boulton & Watt (Soho). 21 Jul. 1792. - 21 Jul 1792
110 - Note. Performance of Poldice double engine in Aug. 1792. - Aug 1792
111 - Transcript of letter. Boulton & Watt (Truro) to John Williams, Purser to Poldice Mine. 20 Sep. 1792. - 20 Sep 1792
112 - Memorandum. Premiums paid by Poldice to the month of Sep. 1794. - Sep 1794
113 - Transcript of letter. James Watt Jr. [Soho] to A. & J. Weston [London]. 4 Dec. 1794. 2 sheets. - 4 Dec 1794
114 - Transcript of letter. Boulton & Watt (Soho) to the Adventurers in Poldice Mine. 13 Jan. 1795. - 13 Jan 1795
115 - Transcript of letter. Thomas Wilson (Truro) to Boulton & Watt [Soho]. 15 Jan. 1795. - 15 Jan 1795
116 - Transcript of letter. John Williams (Poldice) to the Adventurers in Poldice Mine. 7 Mar. 1795. - 7 Mar 1795
117 - Letter. John Landor (St. Day) to Boulton & Watt (Birmingham). 21 Nov. 1797. - 21 Nov 1797
118 - Memorandum & calculations. Statement to show that Boulton & Watt’s proportion of savings was not over-rated. Not dated. - nd
119 - Transcript of agreement. Partnership deed, Polgooth mine. 30 Jul. 1783. - 30 Jul 1783
120 - Rough sketch. Plan of Polgooth. Not dated. - nd
121 - Memorandum (press copy). Polgooth mine. Not dated. 2 sheets. - nd
122 - Letter. Thomas Wilson (Chacewater) to Matthew Boulton [?] [Soho]. 26 Jul. 1785. - 26 Jul 1785
123 - Letter. Richard Michell (Carharrack) to M. R. Boulton (at Thomas Wilson’s, Truro). 28 Jul. 1799. - 28 Jul 1799
124 - Memorandum. Details of old engines at Pool Adit and Penhellack mines. 1 Jan. 1780. - 1 Jan 1780
125 - Memorandum & claculations. Pool Adit. [Circa 1781?] - Circa 1781
126 - Memorandum. Resolution made at the Meeting of the Adventurers in Pool Adit Mine. 25 Nov. 1782. - 25 Nov 1782
127 - Letter. John Edwards (—) to Matthew Boulton [Redruth]. 13 Nov. 1780. - 13 Nov 1780
128 - Account. Expense of building and working Seal Hole engine. [Circa 1790?] - Circa 1790
129 - Transcript of agreement. Agreement with Seal Hole adventurers. 26 Jul. 1793. - 26 Jul 1793
130 - Memorandum. Hornblower’s engine at Tincroft. [1789?] - 1789
131 - Memorandum. Directions for working the Tin Croft engine. Not dated. 2 sheets. - nd
132 - Memorandum. Goods sent to Tin Tang. 9 Jun. 1777. - 9 Jun 1777
133 - Memorandum. Table comparing a common engine with the 52 inch cylinder engine erected at Ting Tang. [Circa 1778?] - Circa 1778
134 - Letter. Richard Lanyon & Richard Hickens (Gwinear) to Boulton & Watt (Birmingham). 21 May 1781. - 21 May 1781
135 - Letter. Richard Lanyon (Gwinear) to Boulton & Watt (Birmingham). 7 Jun. 1781. - 7 Jun 1781
136 - Letter. Richard Lanyon (Gwinear) to Logan Henderson [Redruth]. 4 Nov. 1781. - 4 Nov 1781
137 - Letter. Stephen Newton Jr. (Lelant) to James Watt [Cosgarne]. 9 Jan. 1782. - 9 Jan 1782
138 - Letter. John Halse (Truro) to Boulton & Watt (Birmingham). 25 May 1782. - 25 May 1782
139 - Account. Travascus Mine debtor to the Proprietors. Jan. 1783—Jun. 1784. - Jan 1783—Jun 1784
140 - Letter. George Simmons (United Mines) to James Watt (Birmingham). 13 Feb. 1779. - 13 Feb 1779
141 - Memorandum. List of pipes required for Ale & Cakes and Wheal Cupboard. [Circa 1779—1780.] - Circa 1779—1780
142 - Letter. George Simmons (Tresamble) to James Watt (Birmingham). 27 Mar. 1779. - 27 Mar 1779
143 - Letter. George Simmons (Tresamble) to James Watt (Birmingham). 5 May 1779. - 5 May 1779
144 - Letter. George Simmons (Tresamble) to James Watt [Birmingham]. 24 May 1779. - 24 May 1779
145 - Letter. George Simmons (Tresamble) to James Watt (Birmingham). 8 Jul. 1779. - 8 Jul 1779
146 - Letter. George Simmons (Tresamble) to James Watt (Birmingham). 12 Aug. 1779. - 12 Aug 1779
147 - Memorandum. Ale & Cakes Engine – 58 inch cylinder, 9 feet stroke. [Circa 1779—1780.] - Circa 1779—1780
148 - Memorandum. Table comparing a common engine with the engine to be erected at Ale & Cakes. [Circa 1779—1780.] - Circa 1779—1780
149 - Memorandum. Ale & Cakes and Poldory. [Circa 1779—1780.] - Circa 1779—1780
150 - Letter. Jethro Hornblower (Whitehall) to James Watt (Soho). 11 Jun. 1780. - 11 Jun 1780
151a - Memorandum. Table comparing a common engine with the engine to be erected at Poldory. [Circa 1779—1780.] - Circa 1779—1780
151b - Memorandum. William Murdock’s Experiment on Poldory. 16 Nov. —. - nd
152 - Letter. R. A. Daniell (Truro) to James Watt [Birmingham]. 9 Jun. 1786. - 9 Jun 1786
153 - Letter. R. A. Daniell (Truro) to James Watt (Birmingham). 29 Jul. 1786. - 29 Jul 1786
154 - Letter. R. A. Daniell (Truro) to Matthew Boulton (Soho). 28 Oct. 1786. - 28 Oct 1786
155a - Letter. Thomas Michell (Gwennap) to Boulton & Watt (Soho). 18 Dec. 1787. - 18 Dec 1787
155b - Memorandum. Resolutions made at a meeting of the United Mines adventurers. 17 Dec. 1787. - 17 Dec 1787
156 - Letter. Thomas Michell (Gwennap) to Boulton & Watt (Birmingham). 20 Oct. 1790. - 20 Oct 1790
157 - Transcript of letter. Boulton & Watt [Soho] to the Adventurers in United Mines. 16 Apr. 1791. - 16 Apr 1791
158 - Letter. George Simmons Jr. (United Mines) to Boulton & Watt (Soho). 18 Jul. 1791. - 18 Jul 1791
159 - Letter. George Simmons Jr. (United Mines) to Boulton & Watt (Soho). 30 Aug. 1791. - 30 Aug 1791
160 - Memorandum of what Mr. Wilson said to Mr. Beauchamp. 8 Feb. 1792. - 8 Feb 1792
161 - Transcript of letter. Boulton & Watt (Truro) to Joseph Beauchamp (—). 16 Sep. 1792. - 16 Sep 1792
162 - Letter. George Simmons (United Mines) to Boulton & Watt (at Mr. Wilson’s, Truro). 17 Sep. 1792. - 17 Sep 1792
163 - Transcript of letter. Boulton & Watt (Truro) to George Simmons, Purser to the United Mines. 26 Sep. 1792. - 26 Sep 1792
164 - Letter. Richard Michell (Carharrack) to Matthew Boulton (Soho). 27 Apr. 1793. - 27 Apr 1793
165 - Memorandum. Order for a double engine for United Mines. 3 May 1793. - 3 May 1793
166 - Letter. Richard Michell (Carharrack) to Matthew Boulton (Soho). 16 May 1793. - 16 May 1793
167 - Letter. R. A. Daniell (Truro) to Boulton & Watt (Soho). 18 May 1793. - 18 May 1793
168 - Letter. Richard Michell (Carharrack) to Boulton & Watt (Soho). 2 Aug. 1793. - 2 Aug 1793
169 - Transcript of letter. Boulton & Watt [Soho] to Joseph Beauchamp (—). 7 Aug. 1793. - 7 Aug 1793
170 - Transcript of letter. Thomas Michell (United Mines) to Thomas Wilson [Truro]. 17 Sep. 1793. - 17 Sep 1793
171 - Memorandum. List of the adventurers in United Mines and Ding Dong Mine. Not dated. - nd
172 - Memorandum. Resolutions of the United Mines adventurers. 13 May 1799. - 13 May 1799
173 - Letter. Richard Michell (United Mines) to M. R. Boulton (at Thomas Wilson’s, Truro). 12 Sep. 1799. - 12 Sep 1799
174 - Letter. Richard Michell (Carharrack) to M. R. Boulton (at Thomas Wilson’s, Truro). 19 Sep. 1799. - 19 Sep 1799
175 - Letter. Richard Michell (Carharrack) to M. R. Boulton (Soho). 4 Mar. 1800. - 4 Mar 1800
176 - Letter. Richard Michell (Carharrack) to M. R. Boulton (Soho). 30 Jun. 1800. - 30 Jun 1800
177 - Letter. Richard Michell (Carharrack) to M. R. Boulton (at Thomas Wilson’s, Truro). 11 Sep. 1800. - 11 Sep 1800
178a - Letter. Richard Michell (Carharrack) to M. R. Boulton (at Thomas Wilson’s, Truro). 24 Sep. 1800. - 24 Sep 1800
178b - Letter. M. R. Boulton (Truro) to Gregory Watt (Soho). 26 Sep. 1800. - 26 Sep 1800
179a - Letter. M. R. Boulton (Truro) to James Watt Jr. (Soho). 31 Oct. 1800. - 31 Oct 1800
179b - Letter. Richard Michell (Carharrack) to M. R. Boulton [at Thomas Wilson’s, Truro]. 21 Oct. 1800. - 21 Oct 1800
180 - Letter. Richard Michell (Carharrack) to M. R. Boulton (Soho). 29 Jan. 1801. - 29 Jan 1801
181 - Letter. Richard Michell (United Mines) to Boulton Watt & Co. (Soho). 7 Apr. 1801. - 7 Apr 1801
182 - Letter. Richard Michell (United Mines) to John Southern (Soho). 23 May 1801. - 23 May 1801
183 - Letter. Richard Michell (United Mines) to Thomas Hutton (Soho). 25 Aug. 1801. - 25 Aug 1801
184 - Letter. Richard Michell (United Mines) to Thomas Hutton [Soho]. 7 Oct. 1801. - 7 Oct 1801
185 - Transcript of letter. M. R. Boulton (Camborne) to Andrew Vivian [Camborne]. 15 Jun. 1799. - 15 Jun 1799
186 - Letter. Andrew Vivian (Camborne) to M. R. Boulton (Truro). 16 Jun. 1799. - 16 Jun 1799
187 - Letter. John Trevenen (Helston) to M. R. Boulton (Truro). 10 Aug. 1799. - 10 Aug 1799
188 - Letter. John Trevenen (Helston) to M. R. Boulton (Truro). 12 Aug. 1799. - 12 Aug 1799
189 - Letter. John Trevenen (Helston) to M. R. Boulton (Truro). 14 Aug. 1799. - 14 Aug 1799
190 - Letter. Andrew Vivian (Camborne) to M. R. Boulton (Truro). 24 Aug. 1799. - 24 Aug 1799
191 - Memorandum. List of the Wheal Adventurers. Not dated. - nd
192 - Memorandum. Experiment made with Wheal Butson engine. 15 & 16 Sep. 1792. - 15 & 16 Sep 1792
193 - Calculations. Wheal Chance old and new engines, Ting Tang engine. Not dated. - nd
194 - Letter. John Stackhouse for Rosekere Adventurers, John Tregellars for Wheal Chance adventurers, William Harris for Wheal Gerry adventurers (Camborne) to Boulton & Watt (Birmingham). 11 Jan. 1779. - 11 Jan 1779
195 - Letter. John Stackhouse (Pendarves) to Boulton & Watt (Soho). 6 Sep. 1779. - 6 Sep 1779
196 - Memorandum. Table comparing a common engine with the engine lately erected at Wheal Chance. [Circa 1780.] - Circa 1780
197a - Memorandum. Queries and points about the Poldice engines’ performance etc. used for calculating Wheal Chance. Not dated. - nd
197b - Press copy of the above memorandum. 2 sheets. - nd
198 - Memorandum. Copy of a Calculation delivered by Capt. Martin Stephens at Camborne. 27 Sep. 1780. - 27 Sep 1780
199 - Calculation about Wheal Chance, sent to Mr. Edwards. Oct. —. [Circa 1780?] - Circa 1780
200a - Memorandum. Calculations relative to Wheal Chance. Oct. 1780. 4 sheets. - Oct 1780
200b - Memorandum. Calculations relative to Wheal Chance. 3 sheets. - nd
200c - Memorandum. Caculations relative to Wheal Chance. 2 sheets. - nd
201 - Transcript of memorandum. Valuation of the Materials of Wheal Chance engine. 13 Jul. 1784. - 13 Jul 1784
202 - Transcript of memorandum. Resolutions made at a meeting of the Proprietors of Chacewater and Wheal Chance. York, 24 & 25 Jul. 1784. - 24 & 25 Jul 1784
203 - Letter. William Harris (Rosewarne) to Boulton & Watt [Soho]. 25 Jul. 1786. - 25 Jul 1786
204 - Transcript of letter. John Thomas (Chyverton) to Matthew Boulton [Soho]. 4 Aug. 1789. - 4 Aug 1789
205 - Letter. John Thomas (Chyverton) to Boulton & Watt (Soho). 11 May 1791. - 11 May 1791
206 - Letter. John Thomas (Chyverton) to Matthew Boulton (Soho). 26 Feb. 1792. - 26 Feb 1792
207 - Letter. John Thomas (Chyverton) to Matthew Boulton (Soho). 5 May 1797. - 5 May 1797
208 - Memorandum. State of Wheal Crenver account. 1 Nov. 1798. - 1 Nov 1798
209 - Memorandum. John Williams (Chancery Lane, London) to Master Sargeant — Williams [London]. 13 Apr. 1799. - 13 Apr 1799
210 - Letter. John Thomas (Chyverton) to M. R. Boulton (at Mr. Wilson’s, Truro). “Monday Evening” [May 1799]. - May 1799
211 - Memorandum. A List of Wheal Gons adventurers. Not dated. - nd
212 - Letter. Andrew Vivian (Wheal Gons) to M. R. Boulton (Mr. Wilson’s, Truro). 1 Jun. 1799. - 1 Jun 1799
213 - Letter. William Reynolds (Pool) to M. R. Boulton (Mr. Wilson’s, Truro). 20 Jun. 1799. - 20 Jun 1799
214 - Memorandum. Agreement with Mr. Gullett for Wheal Mount. 13 Sep. 1787. - 13 Sep 1787
215 - Sketch. Wheal Prosper shafts. Not dated. - nd
216 - Memorandum. Particulars of Wheal Prosper and adjoining mines delivered by Mr. Daubez. Aug. 1799. - Aug 1799
217 - Letter. John Michell (Helston) to John Edwards (Truro). 27 May 1799. - 27 May 1799
218 - Letter. William Richards (Halgarrack) to James Watt [Chacewater]. 17 Dec. 1779. - 17 Dec 1779
219 - Memorandum. Calculation respecting a new Engine proposed for Wheal Treasury Mine deduced from the two Eastern Engines at Poldice. [Circa 1780?] - Circa 1780
220 - Transcript of letter. James Watt (Chacewater) to Richard Johns (Helston). 10 Feb. 1780. - 10 Feb 1780
221 - Letter. Richard Johns (Helston) to James Watt [Chacewater]. 14 Feb. 1780. - 14 Feb 1780
222 - Letter. William Richards (Halgarrack) to James Watt [Birmingham]. 8 Jun. 1780. - 8 Jun 1780
223 - Memorandum. Names of the mines from which Capt. Andrew Vivian and Richard Trevithick had powers to treat. [1799?] - 1799
224 - Memorandum. List of Wheal Treasure adventurers. [1799?] - 1799
225 - Copy of memorandum. Proposals for setting to work and carrying on the several mines of North Downs, Wheal Fortune, Wheal Messa, Wheal Rose and part of Truan, in one united set. 20 Sep. 1779. - 20 Sep 1779
226 - Memorandum. Propositions to Wheal Union proprietors, when met at Camborne. Not dated. - nd
227 - Letter. John Edwards (Hayle Copper House) to Boulton & Watt (6 Green Lettice Lane, London). 15 May 1780. - 15 May 1780
459 - Cornish Mines and Engines, correspondence and papers (28 items). - 1778 - 1793
460 - Papers sent by Thomas Wilson, notes on engines built and premiums due, 1778—1799; calculations for Wheal Chance, Poldice, Dolcoath 1778—1780 (31 items).* - 1778—1780
461 - Accounts of mines, engines, debts etc. sent by Thomas Wilson, 1779–1807 (73 items).* - 1779–1807
462 - Correspondence from the Fox family, 1785—1794 (35 items).* - 1785—1794
463 - The Cornish Metal Company, 1785—1788, 1792 (19 items).* - 1785—1792
464 - Memorandum. On Cornish Engines & Tables. 23 Oct. 1780 (1 item). - 23 Oct 1780
465 - Miscellaneous papers and memoranda, 1779—1805 (18 items).* - 1779—1805
466 - Monthly accounts of Cornish Engines - 1779 - 1794
467 - Performance of Cornish Engines - 1781 - 1782
468 - Performance of Cornish Engines – "Engine Calculation" - 1783 - 1791
469 - Tables of Performance of various engines - January 1781 - July 1782
470 - Tables for boilers of various Cornish engines - nd
471 - Volume of plans of Wheal Virgin (Consolidated Mines) - [Circa 1780—1790.]
472 - Albion Mill, correspondence and papers 1782—1789 - 1782—1789
473 - Albion Mill, correspondence and papers 1790—1796 - 1790—1796
474 - Albion Mill, correspondence and papers, 1797—1800 - 1797—1800
475 - Albion Mill, calculations and memorandums, circa 1783—1790 - 1783—1790
476 - Albion Mill, miscellaneous drawings and plans, 1780s—1802 - 1780—1802
477 - Establishment of a London Banking Concern, 1801 - 1802. - 1801 - 1802
478 - Gas Lighting. Memoranda and sketches for customers, 1805—1815 - 1805—1815
479 - Gas Lighting. Papers and memoranda re experiments, apparatus, gazometers etc., 1805—1811 - 1805—1811
480 - Gas Lighting. Correspondence and papers concerning the Gas Light & Coke Bill, 1809 - 1809
481 - Gas Lighting. Pamphlets about gas lighting and the Gas Light & Coke Bill, 1785—1816 - 1785—1816
482 - Steam Boats, Miscellaneous correspondence, 1810—1827 (29 items). - 1810—1827
483 - Steam Boats, Forth & Clyde tug, 1828—1831 (26 items). - 1828—1831
484 - Steam Boats, General correspondence, 1829—1843 (223 items). - 1829—1843
485 - Special Subjects and Correspondents. Aimé Argand, the hydraulic ram, 1785—1787; 1797—1799 (23 items).* - 1785—1799
486 - Special Subjects and Correspondents. Richard Arkwright, 1777, 1785, 1789—1790 (17 items).* - 1777—1790
487 - Special Subjects and Correspondents. William Bedford, 1795—1799 (10 items).* - 1795—1799
488 - Special Subjects and Correspondents. Birmingham Water Works, 1829—1830 (28 items).* - 1829—1830
489 - Special Subjects and Correspondents. Bombay Mint, India, 1821—1824 (41 items).* - 1821—1824
490 - Special Subjects and Correspondents. Calcutta Mint, India, 1821—1823 (116 items).* - 1821—1823
491 - Special Subjects and Correspondents. The Carron Company – papers concerning water, 1776 (7 items).* - 1776
492 - Special Subjects and Correspondents. Thomas Cobb / Cobb Pain & Judd, Banbury, 1796—1798 (15 items).* - 1796—1798
493 - Special Subjects and Correspondents. J. & G. Davies, Tipton, 1846—1848 (33 items).* - 1846—1848
494 - Special Subjects and Correspondents. The Falmouth Water Company, Jamaica, 1799—1805 (32 items).* - 1799 - 1805
495 - Special Subjects and Correspondents. Richard Fothergill, Tredegar and Sirhowy iron works, 1801—1806 (12 items).* - 1801—1806
496 - Special Subjects and Correspondents. Robert Fulton, C. A. Dale, 1794, 1803—1805, 1810, 1812, 1817 (20 items).* - 1794-1817
497 - Special Subjects and Correspondents. Gardner Manser & Co., 1789—1796 (34 items).* - 1789—1796
498 - Special Subjects and Correspondents. Gilbert Gilpin, Bersham, 1786—1794 (171 items). - 1786—1794
499 - Special Subjects and Correspondents. Gregory Mine, 1779—1782; 1791—1793 - 1779—1793
500 - Special Subjects and Correspondents. Sir Nigel Gresley, 1790—1795, 1801 - 1790—1801
501 - Special Subjects and Correspondents. Thomas Handley, 1777—1788 - 1777—1788
502 - Special Subjects and Correspondents. Joseph Hateley, 1792 - 1792
503 - Special Subjects and Correspondents. James Keir, letters to Matthew Boulton and James Watt, 1778—1780, 1786, 1791, 1796 - 1778—1796
504 - Special Subjects and Correspondents. James Keir, miscellaneous letters to James Watt Jr., 1788—1815 - 1788—1815
505 - Special Subjects and Correspondents. J. D. H. van Liender, 1775—1794 - 1775—1794
506 - Special Subjects and Correspondents. J. D. H. van Liender, 1797—1801 - 1797—1801
507 - Special Subjects and Correspondents. J. D. H. van Liender, 1802—1809 - 1802—1809
508 - Special Subjects and Correspondents. Llanarmon and Plas Mostyn mines, 1802—1804 - 1802—1804
509 - Special Subjects and Correspondents. Jean Hyacinthe de Magellan, 1777—1785 - 1777—1785
510 - Special Subjects and Correspondents. Marly, French Patent, 1778—1787 - 1778—1787
511 - Special Subjects and Correspondents. Gilbert Meason and Wanlockhead Mine, 1778, 1781—1785 - 1778—1785
512 - Special Subjects and Correspondents. Minera Mine – Papers relative to the Settlement with Minera or Maesyfynnon Wen Adventurers, 1796 - 1796
513 - Special Subjects and Correspondents. Minera Mine, Accounts, 1794—1799 - 1794—1799
514 - Special Subjects and Correspondents. Minera Mine, correspondence and papers, 1797—1799 - 1797—1799
515 - Special Subjects and Correspondents. Minera Mine, correspondence, 1801—1813 - 1801—1813
516 - Special Subjects and Correspondents. Perier and Motteux, 1777—1786 - 1777—1786
517 - Special Subjects and Correspondents. Chevalier Alvise Pisani, 1793—1794 - 1793—1794
518 - Special Subjects and Correspondents. Joseph Poli of Naples, 1786—1788 - 1786—1788
519 - Special Subjects and Correspondents. Jacques Ratton et Fils, 1793, 1797, 1799 - 1793-1799
520 - Special Subjects and Correspondents. Royal Mint (British Mint), 1805—1809 - 1805—1809
521 - Special Subjects and Correspondents. Royal Mint (British Mint), 1816, 1818—1820; 1826 - 1816—1826
522 - Special Subjects and Correspondents. St. Katherine’s Dock, 1826—1829 (47 items).* - 1826—1829
523 - Special Subjects and Correspondents. John Smeaton, miscellaneous letters 1776—1784 - 1776—1784
524 - Special Subjects and Correspondents. Spanish Engines, 1788—1795 - 1788—1795
525 - Special Subjects and Correspondents. Thomas Telford, miscellaneous letters 1795—1832 - 1795—1832
526 - Special Subjects and Correspondents. Titled and Private Gentlemen, 1777—1817 - 1777—1817
527 - Special Subjects and Correspondents. Matthew Wasbrough, 1778—1779 - 1778—1779
528 - Special Subjects and Correspondents. Josiah Wedgwood, 1781—1793 - 1781—1793
529 - Special Subjects and Correspondents. Josiah Wedgwood & Byerley, Josiah Wedgwood, Wedgwood & Sons, 1794—1828 - 1794—1828
530 - Special Subjects and Correspondents. West India Docks – transcripts and memoranda, 1825—1830 - 1825—1830
531 - Special Subjects and Correspondents. White Grit Mine and Shelvefield Gravels, 1783—1785 - 1783—1785
532 - Special Subjects and Correspondents. John Wilkinson, bills for engine parts etc., 1771—1778 - 1771—1778
533 - Special Subjects and Correspondents. John Wilkinson, correspondence, 1775—1779 - 1775—1779
534 - Special Subjects and Correspondents. John Wilkinson, correspondence, 1780—1791 - 1780—1791
535 - Special Subjects and Correspondents. John Wilkinson, correspondence and papers concerning his dispute with Boulton & Watt, 1775—1796 - 1775—1796
536 - Special Subjects and Correspondents. John Wilkinson, correspondence, 1796—1797 - 1796—1797
537 - Special Subjects and Correspondents. William Wilkinson, 1786, 1788, 1794—1799 - 1786—1799
538 - Special Subjects and Correspondents. William Wilkinson, 1800—1807 - 1800—1807
539 - Letters from Schemes 1801—1810 - 1801 - 1810
540 - Letters from Schemes, 1811—1820 - 1811 - 1820
541 - Letters from Schemes, 1821—1829 - 1821 - 1829
542 - Miscellaneous letters about the history of the firm etc. 1865, 1866, 1886—1894 - 1865-1894
543 - Schemes, plans & calculations, descriptions of new machines etc. (1) 1774—1790 - 1774 - 1790
544 - Schemes, Plans & Calculations, Descriptions of new Machines etc. (2) 1769; 1781—1788 - 1769—1788
545 - Experiments on the first engine at Soho, James Watt, Nov., Dec. 1774, Jun. 1775. (1 item). - 1774 - 1775
546 - Experiments on the Forge Engine at Soho Manufactory, John Buchanan, 1783 - 1783
547 - Experiments on Timber, Experiment with the Whirling Machine, not dated (1 item).
548 - "… Reports… ments Relative to… connected therewith" (Papers about Newcastle and Leeds Engines, Sugar Mills), 1790—1798 - 1790—1798
549 - Statements Calculations & General Information relative to various Objects of Manufacturing & Commercial Speculation, 1785, 1801 - 1785-1801
550 - Mr. Murdock’s Memorandums respecting Lord Lowther’s Collieries at Whitehaven, 1802 - 1802
551 - Miscellaneous memoranda and papers, 1770s—1790s - 1770s—1790s
552 - Miscellaneous memoranda and papers, 1800s-1830s - 1800-1840
553 - Steam Boat Memoranda. William Creighton’s memoranda and sketches, 1815—1822 - 1815—1822
554 - Steam Boat Memoranda; about the Caledonia steam boat, 1818—1819 - 1818—1819
555 - Steam Boat Memoranda. Miscellaneous memoranda, papers etc., 1816—1830 - 1816—1830
556 - Steam Boat Memoranda. Miscellaneous memoranda, papers etc., 1832—1847 - 1832—1847
557 - Steam Boat Memoranda. Steam boat newspaper extracts etc., 1821—1842 - 1821—1842
558 - Steam Boat Memoranda. Steam boat boilers, 1827—1836 - 1827—1836
559 - Steam Boat Memoranda. Miscellaneous memoranda, papers etc., 1849—1863 - 1849—1863
560 - Steam Boat Memoranda. Boat plans, 1814—1850s - 1814—1850s
4 - PRODUCTION RECORDS - 1774 - 1895
5 - DRAWINGS - MAIN SERIES - 1775 - 1904
6 - DRAWINGS - "AVERY" PORTFOLIOS - 1815 - 1903
7 - DRAWINGS - 'SCIENCE MUSEUM' PORTFOLIOS - 1797 - 1919
8 - Staff and Employment Records - 1784-1888
9 - Premises Records - 1783-1894
10 - MISCELLANEOUS MANUSCRIPT AND PRINTED MATERIAL - 1776 - 1896
11 - Miscellaneous Non-Engineering Business Material - 1761-c.1850
12 - RECORDS OF THE BOULTON, WATT & CO. LONDON OFFICE - 1818 - 1885
12 - Records of the Boulton Watt & Co. London Office - 1818-1885
13 - LONDON OFFICE LETTERS OF ADVICE - 1828 - 1837
14 - London Office Financial Records - 1835-1883
15 - LONDON OFFICE SURVEY OF STEAM POWER IN THE NORTH EAST, 1835 - 1835
16 - London Office Miscellaneous Papers - 1817-1881
17-20 - Records of James Watt & Co - 1779 - 1851
18 - James Watt & Co. Legal Records - 1779-1780
21-25 - Records of French Walls Iron & Steel Works - 1816 - 1866
26
26 - M.R.Boulton, J. Watt & Co. Financial and Legal Records - 1804 - 1836
26-30 - Records of M. R. Boulton J. Watt & Co. - 1771-1840
27 - M.R.Boulton, J.Watt & Co. Correspondence - 1816-1840
28 - M.R.Boulton, J.Watt & Co. Papers of William and Charlotte Matthews - 1771-1830
29 - M.R.Boulton, J.Watt & Co. Papers of Joseph Taylor and Taylor Campbell & Bowden - 1804-1813
30 - M.R.Boulton, J.Watt & Co. Papers of John Woodward - 1803-1812
31 - Material added by George Tangye - 1857 -1915
32 - Material added by Birmingham Library - 1784 - 1977
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