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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
1 - Letter. William B. Hack (West Middlesex Water Works) to Boulton & Watt [Soho]. - 12 Jul 1841
2 - Letter. George Haden (Trowbridge) to Boulton Watt & Co. [Soho]. - 28 Apr 1837
3 - Letter. George Haden (Trowbridge) to Boulton Watt & Co. [Soho]. - 24 Sep 1839
4 - Letter. G. & J. Haden (Trowbridge) to Boulton Watt & Co. [Soho]. - 8 Aug 1842
5 - Letter. John Hall (St. Katherine’s Dockhouse) to Boulton Watt & Co. (Soho). - 8 Aug 1833
6 - Letter. John Hall (St. Katherine’s Dockhouse) to Boulton Watt & Co. (Soho). - 31 Mar 1834
7 - Letter. John Hall (St. Katherine’s Dock) to Boulton Watt & Co. [Soho]. - 28 Nov 1842
8 - Letter. John Hall (St. Katherine’s Dock) to Boulton Watt & Co. [Soho]. - 29 Jun 1843
9 - Letter. Samuel Hall (Basford) to James Watt Jr. [Soho]. - 19 Nov 1832
10 - Letter. Samuel Hall (Basford) to Gilbert Hamilton (Soho). - 3 Dec 1832
11 - Letter. Samuel Hall (Basford) to Gilbert Hamilton (Soho). - 19 Jan 1833
12 - Letter. Thomas Delany Hall (60 St. James’ St., London) to Boulton & Watt (Soho). - 27 Sep 1834
13 - Letter. Thomas Delany Hall (60 St. James’ St., London) to Boulton & Watt [Soho]. - 10 Oct 1834
14a - Letter (printed circular). Hall & Campbell (12 Harp Lane, Lower Thames St., London) to Boulton & Watt (Soho). - 1 Jan 1831
14b - Hall & Campbell’s business card. - nd
15a - Memorandum. Hall McGarel & Co. (London). - 17 Oct 1836
15b - Memorandum. John Graham, engineer (Legaun). - 1 Jul 1836
16 - Letter. Hall McGarel & Co. (32 Fenchurch St., London) to Boulton Watt & Co. (Soho). - 30 Mar 1837
17 - Memorandum. Hall McGarel & Co. (London) – Required for the 8 horse steam engine, of Plant Bank Hall, Demerara. - 27 Oct 1837
18 - Letter. James R. Halpin (28 Henry St., Cork) to Boulton & Watt [Soho]. - 1 Dec 1843
19 - Letter. Gilbert Hamilton (Manchester) to James Watt Jr. (Aston Hall). - 22 Jul 1836
20 - Letter. Gilbert Hamilton (Manchester) to Henry Wright (Soho). - 15 Sep 1837
21 - Letter. Gilbert Hamilton (Glasgow) to Boulton Watt & Co. (Soho). - 17 Sep 1837
22 - Letter. Gilbert Hamilton (Manchester) to James Watt Jr. (Aston Hall). - 22 Feb 1841
23 - Letter. Gilbert Hamilton (Doldowlod) to Henry Wollaston Blake [Soho]. “Monday” [10 Oct. - 1842]
24 - Letter. Gilbert Hamilton (Doldowlod) to Henry Wollaston Blake [Soho]. - 14 Oct 1842
25a - Letter. William L. Hamilton & Co. per John Cooper (Dublin) to Boulton & Watt (Birmingham). - 21 Feb 1832
25b - Memorandum. By Thomas Moss, Chief Engineer (Palmyra). - 24 Oct 1831
26 - Letter. William L. Hamilton & Co. per John Cooper (Dublin) to Boulton & Watt (Soho). - 24 Mar 1832
27 - William L. Hamilton & Co. per Josh. Cooper (Dublin) to Boulton Watt & Co. (Birmingham). - 20 May 1839
28 - Letter. William L. Hamilton & Co. per Josh. Cooper (Dublin) to Boulton Watt & Co. (Birmingham). - 5 Jun 1839
29 - William L. Hamilton & Co. per Josh. Cooper (Dublin) to Boulton Watt & Co. (Birmingham). - 18 Dec 1839
30 - William L. Hamilton & Co. per Josh. Cooper (Dublin) to Boulton Watt & Co. (Birmingham). - 17 Feb 1840
31 - William L. Hamilton & Co. per John Cooper (Dublin) to Boulton Watt & Co. (Birmingham). - 10 Mar 1840
32 - William L. Hamilton & Co. per Josh. Cooper (Dublin) to Boulton Watt & Co. (Birmingham). - 22 Mar 1841
33 - Letter. Charles Hancock (New St., Birmingham) to James Watt Jr. [Soho]. - 5 May 1832
34 - Letter. William Hands (23 King Edward Place, Birmingham) to Boulton Watt & Co. [Soho]. - 2 Oct 1833
35 - Letter. George Hanson (Wilsden, near Bradford) to Boulton & Watt (Soho). - 30 Oct 1841
36 - Letter. P. Hardwick (St. Katherine’s Dock, London) to James Brown (13 London St.). - 15 Oct 1829
37 - Letter. Henry Hargreaves & Richard Godson per Richard Godson (Lancaster) to Boulton Watt & Co. [Soho]. - 12 Oct 1837
38 - Letter. Henry Hargreaves & Richard Godson per William Kirkman (Lancaster) to Boulton Watt & Co. [Soho]. - 25 Sep 1838
39 - Letter. Henry Hargreaves & Richard Godson per William Kirkman (Lancaster) to Boulton Watt & Co. [Soho]. - 17 Jan 1840
40 - Letter. Henry Hargreaves & Richard Godson per William Kirkman (Lancaster) to Boulton Watt & Co. (Soho). - 22 Apr 1840
41 - Letter. Harley & Lang (Bristol) to Boulton & Watt (Soho). - 6 Mar 1830
42 - Note (on a printed form). W. Harley & Co. (New Steam Mill, Fazeley St., Birmingham) to Boulton Watt & Co. [Soho]. - 15 Nov 1842
43 - Letter. W. Harley & Co. (Fazeley St., Birmingham) to William Buckle (Soho). - 2 Feb 1843
44 - Letter. W. Harley & Co. per H. Merry [?] (Fazeley St., Birmingham) to William Buckle (Soho). - 10 Feb 1843
45 - Letter. W. Harley & Co. per George Asbury (New Mill, Fazeley St., Birmingham) to Boulton Watt & Co. [Soho]. - 6 May 1843
46a - Letter. William C. Harnett (7 Great St. Helens, London) to Boulton Watt & Co. (Soho). - 11 Mar 1836
46b - Letter. John Thomas Jr. (Soho Foundry) to Gilbert Hamilton (Drawing Office, Soho). - 16 Mar 1836
46c - Part of a note re. William C. Harnett’s order. - 1836
47 - Letter. Richard Harris & Co. (Leicester) to Boulton & Watt (Soho). - 18 Feb 1833
48 - Letter. Richard Harris & Co. (Leicester) to Boulton & Watt [Soho]. - 25 Feb 1833
49 - Letter. Thomas Harris & Co. (Bristol) to Boulton Watt & Co. (Soho). - 28 Jul 1830
50 - Letter. Thomas Harris & Co. (Bristol) to Boulton Watt & Co. (Soho). - 23 Dec 1835
51 - Letter. William Harris & Son (Stoke Prior) to Boulton & Watt (Soho Foundry). - 3 Jan 1831
52 - Letter. Harris Brothers (Liverpool) to Boulton & Watt (Birmingham). - 10 Jun 1830
53 - Letter. Harris Brothers (Liverpool) to Boulton & Watt (Soho). - 19 Jun 1834
54 - Letter. Harrison & Sons (82 Cornhill, London) to James Watt & Co. [Soho]. - 20 Jul 1842
55 - Letter. Thomas Harrison & Sons (Stalybridge) to William Bennett (Soho). - 4 Jul 1836
56 - Letter. Thomas Harrison & Sons per James Haughton (Stalybridge) to Boulton & Watt [Soho]. - 9 Dec 1836
57 - Letter. Thomas Harrison & Sons per James Haughton (Stalybridge) to Boulton & Watt [Soho]. - 14 Dec 1836
58 - Letter. Thomas Harrison & Sons per James Bayley Jr. (Stalybridge) to Boulton & Watt [Soho]. - 2 Apr 1838
59 - Letter. Thomas Harrison & Sons (Stalybridge) to Boulton Watt & Co. [Soho]. - 23 Jun 1843
60 - Letter. W. Harrison (Prickwillow) to Gilbert Hamilton [Soho]. - 24 Jun 1843
61 - Letter. William Harrison [Leeds] to Boulton Watt & Co. (Soho). - 5 Jul 1836
62 - Letter. William Harrison (Leeds) to Boulton Watt & Co. [Soho]. - 28 Aug 1838
63 - Letter. William Harrison (Leeds) to Boulton Watt & Co. [Soho]. - 15 Feb 1840
64 - Letter. William Harrison (Leeds) to Boulton Watt & Co. [Soho]. - 14 Oct 1840
65 - Letter. Harrisons Brighouse & Co. per Thomas Brighouse (Holywell) to Boulton & Watt (Birmingham). - 4 Aug 1836
66 - Letter. William Harter (Manchester) to Boulton Watt & Co. (Soho). - 7 Sep 1836
67a - Letter. Jesse Hartley (Dockyard, Liverpool) to Gilbert Hamilton (Soho). - 26 Jun 1841
67b - Circular letter. Jesse Hartley (Dockyard, Liverpool) to Gilbert Hamilton (Soho). - 26 Jun 1841
68 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 7 Jul 1841
69 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 9 Jul 1841
70 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 20 Jul 1841
71 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 27 Jul 1841
72 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 9 Aug 1841
73 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 20 Aug 1841
74 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 27 Aug 1841
75 - Letter. Jesse Hartley (Dockyard, Liverpool) to Boulton Watt & Co. (Soho). - 1 Sep 1841
76 - Letter. William Haughton (Birchfield) to Boulton Watt & Co. [Soho]. - 16 Jan 1832
77a - Letter (in French). Haussman Jordan Hirn & Co. (Logelback) to Boulton Watt & Co. [Soho]. - — Dec 1840
77b - Sketch of their existing cylinder. - nd
78 - Letter. T. Hawksley (Nottingham) to Boulton & Watt (Soho). - 12 Aug 1830
79 - Letter. William Haworth (Rochdale) to Boulton & Watt (Soho). - 9 Aug 1833
80 - Letter. William Haworth (Rochdale) to Boulton Watt & Co. [Soho]. - 26 Aug 1833
81 - Letter (printed circular). Hayes & Clark (London) to Boulton Watt & Co. [13 London St.]. - 30 Nov 1837
82 - Letter. J. J. Headly (Cambridge) to Boulton Watt & Co. [Soho]. - 25 Feb 1839
83 - Letter. Robert Headly, Ironmonger & Founder (Cambridge) to Boulton & Watt (Birmingham). - 20 Jan 1840
84a - Letter. J. B. Heath (Sardinian Consulate, 31 Old Jewry, London) to Boulton & Watt (Soho). - 23 Mar 1835
84b - Memorandum. Specification of the engines required. - nd
85 - Letter. W. Heath, Mining Agent etc. (Longton Potteries) to Boulton & Watt (Soho). - 3 Apr 1841
86 - Letter. Heath Furse & Co. per W. E. Fen [?] (London) to Boulton Watt & Co. (Soho). - 15 Apr 1843
87 - Letter. Heath Furse & Co. per W. E. Fen [?] (London) to Boulton Watt & Co. (Soho). - 5 May 1843
88 - Letter. Heath Furse & Co. per W. E. Fen [?] (London) to Boulton Watt & Co. (Soho). - 10 May 1843
89 - Letter. Heath Furse & Co. per W. E. Fen [?] (London) to Boulton Watt & Co. (Soho). - 20 May 1843
90 - Letter. Heath Furse & Co. per W. E. Fen [?] (London) to Boulton Watt & Co. (Soho). - 31 May 1843
91 - Letter. Heath Furse & Co. per W. E. Fen [?] (London) to Boulton Watt & Co. (Soho). - 10 Oct 1843
92 - Letter. B. Hebeler & Co. (106 Fenchurch St., London) to Boulton Watt & Co. (Soho). - 27 Feb 1836
93 - Letter. John Herose (Zrau, Switzerland) to Boulton & Watt (Birmingham). - 18 Dec 1829
94 - Letter. G. Heusman (New St., Birmingham) to Gilbert Hamilton (Soho). - 8 Aug 1838
95 - Printed order note. Hibbert & Co. [London] to Boulton & Watt [Soho]. - 7 Aug 1838
96a - Printed order note. Hibbert & Co. [London] to Boulton Watt & Co. (Soho). - 6 Oct 1841
96b - Wrapper for the above letter. - nd
97a - Printed order note. Hibbert & Co. [London] to Boulton Watt & Co. (Soho). - 15 Feb 1842
97b - Wrapper for the above letter. - nd
98 - Letter. Hibbert & Co. (1 Billiter Court, London) to Boulton Watt & Co. [Soho]. - 20 Sep 1842
99 - Letter. Hibbert & Co. (London) to Boulton Watt & Co. (Soho). - 3 Oct 1842
100 - Letter. Benjamin Hick “for Self & Co.” (Bolton) to Boulton Watt & Co. (Soho). - 29 Aug 1833
101 - Letter. Benjamin Hick (Bolton) to Boulton Watt & Co. [Soho]. - 27 Nov 1839
102 - Memorandum. John Higgin, London. - 17 Oct 1842
103 - Memorandum. John Higgin, London. - 23 Sep 1843
104a - Letter. M. Higgins (44 Charles St., Berkeley Square, London) to Boulton Watt & Co. [Soho]. - 23 Apr 1839
104b - Memorandum. Re. engine on Plantation Affiance, Demerara. - nd
105 - Letter. M. Higgins (44 Charles St., Berkeley Square, London) to Boulton & Watt (Soho Foundry). - 10 Jun 1839
106 - Letter. Edward Hill (Hart’s Hill Iron Works) to Gilbert Hamilton (Soho). - 10 Feb 1840
107 - Letter. Edward Hill (Brierley Hill) to Gilbert Hamilton (Soho). - 1 May 1840
108 - Letter. Edward Hill (Hart’s Hill) to Boulton Watt & Co. [Soho]. - 13 Aug 1841
109 - Letter. Edward Hill (Hart’s Hill) to “J. Blake” (Soho Foundry). - 22 Sep 1841
110 - Letter. Edward Hill (Hart’s Hill) to Boulton Watt & Co. [Soho]. - 24 Sep 1841
111 - Letter. Edward Hill (Brierley Hill) to Gilbert Hamilton (Soho). - 23 Oct 1841
112 - Letter. Edward Hill (Hart’s Hill) to Gilbert Hamilton (Soho). - 17 Nov 1841
113 - Letter. Edward Hill (Hart’s Hill) to Gilbert Hamilton (Soho). - 4 Jul 1842
114 - Letter. Edward Hill (Hart’s Hill) to Hollins Hunt (Soho Foundry). - 7 Mar 1843
115 - Letter. Edward Hill (Hart’s Hill) to Boulton Watt & Co. (Soho). - 8 Mar 1843
116 - Letter. William Hill (West Bromwich) to Gilbert Hamilton [Soho]. - 29 Oct 1832
117 - Letter. Frederick J. Hills (137 Albany Road, Camberwell) to Boulton Watt & Co. (Soho). - 17 May 1841
118 - Letter. Miss — Hilton (Milnthorpe) to Boulton Watt & Co. [Soho]. - 23 Oct 1842
119 - Letter. Hives & Atkinson (Leeds) to Boulton Watt & Co. (Soho). - 31 Jul 1832
120 - Letter. Hoare & Co. (Red Lion Brewery, Lower East Smithfield, London) to Boulton Watt & Co. [Soho]. - 26 Jun 1838
121 - Letter. Hoare & Co. (Red Lion Brewery, East Smithfield, London) to Boulton & Watt [Soho]. - 21 Sep 1842
122 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton [Soho]. - 6 Jan 1836
123 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton [Soho]. - 11 Jan 1836
124a - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton (Soho). - 16 Apr 1836
124b - Wrapper for the above letter. - nd
125 - Letter. William Hodgkinson (Navigation Office, Birmingham) to Boulton Watt & Co. [Soho]. - 18 Sep 1836
126 - Letter. William Hodgkinson (Navigation Office, Birmingham) to Boulton Watt & Co. [Soho]. - 3 Dec 1836
127 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton [Soho]. - 18 Mar 1837
128 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton (Soho). - 21 Mar 1837
129 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton (Soho). - 22 Mar 1837
130a - Sketch of pipe. - 1837
130b - Sketch of pipe. Marked “T. Wilkinson at Soho 1 April 1837.” - 1 April 1837
131 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton [Soho]. - 25 Oct 1837
132 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton (Soho). - 31 Oct 1837
133 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Boulton Watt & Co. (Soho). - 3 Nov 1837
134 - Letter. John Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton [Soho]. - 27 Nov 1838
135 - Letter. William Hodgkinson (Navigation Office, Birmingham) to Gilbert Hamilton (Soho). - 31 July 1839
136 - Letter. John Hodgson [Birmingham Hospital] to James Watt Jr. [Soho]. “Thursday Morning” [19 Apr. - 1832]
137 - Letter. John Hodgson (The Hospital, Birmingham) to James Watt Jr. (Aston Hall). “Friday Morning” [27 Apr. - 1832]
138 - Letter. Thomas Hodgson Jr. (Goodman’s Stile, London) to Boulton Watt & Co. [13 London St.?]. - 1 Mar 1837
139 - Letter. Thomas Hodgson Jr. (Goodman’s Stile, London) to James Brown [?] [13 London St.?]. - 1 Mar 1837
140 - Letter. Thomas Hodgson Jr. (47 Lambeth St., London) to James Brown (13 London St.). - 24 Mar 1837
141 - Letter. Thomas Hodgson Jr. (Goodman’s Stile, Whitechapel, London) to Boulton Watt & Co. [Soho]. - 30 Mar 1837
142 - Letter. William Holdsworth (Bone Farm, Edgware Rd., London) to M. R. Boulton [Soho]. - 26 Aug 1840
143 - Letter. Joseph Hollis (Worksop) to Boulton Watt & Co. [Soho]. - 3 Dec 1842
144 - Letter. Richard Holt (Colton) to James Watt Jr. [Soho]. - 2 Jan 1830
145 - Letter. Richard Holt (Colton) to William Buckle [Soho]. - 13 Jan 1830
146a - Printed order note. Daniel & George Holy (Sheffield) to Boulton & Watt (Soho Foundry). - 4 Nov 1834
146b - Wrapper for the above note. - nd
147 - Letter. J. Homfray, from Calcutta [London] to Boulton Watt & Co. [Soho]. - 13 Dec 1834
148 - Letter. Richard Hone (Stoke Orchard Mill, near Cheltenham) to Boulton Watt & Co. [Soho]. - 17 Jul 1834
149 - Letter. G. H. Hooper & Co. (London) to Boulton Watt & Co. (Soho). - 4 Nov 1836
150 - Note. G. H. Hooper & Co. (Coleman St. Buildings, London) to Boulton Watt & Co. (Soho). - 12 Dec 1836
151 - Letter. G. H. Hooper & Co. (Coleman St. Buildings, London) to Boulton Watt & Co. (Soho). - 26 Jan 1837
152 - Letter. G. H. Hooper & Co. (London) to Boulton Watt & Co. (Soho). - 24 Apr 1837
153 - Letter. W. Ross (Berbice) to G. H. Hooper & Co. (London). - 5 May 1837
154 - Letter. G. H. Hooper & Co. (London) to Boulton Watt & Co. (Soho). - 6 Jan 1838
155a - Letter. G. H. Hooper (London) to Boulton Watt & Co. [Soho]. - 25 Feb 1839
155b - Memorandum. List of articles required for the Machinery of Plantation Foulis. - nd
156 - Letter. J. Hopkinson (14 New North St., Finsbury) to Boulton Watt & Co. [Soho]. - 30 Oct 1838
157 - Transcript of letter. J. Horden (Berbice) to Richard Tomkins (—). - 17 Sep 1830
158 - Letter (printed circular). Thomas Horne (Temple Row, Birmingham) to Boulton Watt & Co. (Soho). - 1 Jan 1840
159 - Letter. Horrocks Miller & Co. per T. [?] Miller Jr. (Preston) to William Bennett (Soho). - 9 Mar 1836
160 - Letter. The Horseley Coal & Iron Works per William Johnson (Horseley Iron Works) to Boulton Watt & Co. [Soho]. - 8 Dec 1836
161 - Letter. The Horseley Coal & Iron Works per William Johnson (Horseley Iron Works) to Boulton Watt & Co. [Soho]. - 14 Jan 1837
162 - Letter. The Horseley Coal & Iron Works per William Johnson (Horseley Iron Works) to Boulton Watt & Co. [Soho]. - 18 Jan 1837
163 - Letter. The Horseley Coal & Iron Works per William Johnson (Horseley Iron Works) to Boulton Watt & Co. [Soho]. - 8 Feb 1840
164 - Letter. John Pool Horton (Hill Top, West Bromwich) to Henry Wright (Soho). - 6 Dec 1836
165 - Letter. Thomas Horton (Spon Lane Iron Works) to John Thomas Jr. (Soho). - 11 Apr 1836
166 - Letter. Thomas Horton (Spon Lane Iron Works) to John Thomas Jr. (Soho). - 19 Apr 1836
167 - Letter. John Hossacks (10 Alfred St., Preston) to Boulton & Watt (Birmingham). - 16 Sep 1843
168 - Letter. Hotchkiss & Meiklejohn (Edinburgh) to Boulton Watt & Co. (Soho). - 23 Nov 1830
169 - Letter. Henry Houldsworth (Manchester) to Boulton & Watt [Soho]. - 26 Jan 1832
170 - Letter. Henry Howard (148 Leadenhall St., London) to Boulton Watt & Co. (Soho). - 11 Mar 1835
171 - Letter. Bridget, Eliza and Catherine Hughes (1 Mansfield Court, Winetavern Street, Dublin) to Boulton & Watt. - 10 Feb 1830
172 - Letter. John Hughes (1 Mansfield Court, Dublin) to “Bolton & Watson” (Soho). - 20 Jan 1830
173 - Letter. Nathaniel Hughes (Wexford) to Boulton & Watt [Soho]. - 27 Feb 1833
174 - Letter. Hull Corporation per William Bolton (Mansion House, Hull) to Boulton Watt & Co. [Soho]. - 6 Apr 1830
175 - Letter. Joseph Hume (6 Bryanston Square, London) to Boulton Watt & Co. (Birmingham). - 24 Jun 1842
176 - Letter. William Burnley Hume (Bryanston Square, London) to Boulton & Watt [Soho]. - 4 Nov 1841
177 - Letter. William Burnley Hume (London) to Boulton Watt & Co. [Soho]. - 4 Dec 1841
178 - Letter. William Burnley Hume (Bryanston Square, London) to Boulton Watt & Co. (Soho). - 9 Dec 1841
179 - Memorandum. Ambrose Humphreys (Wood St., London) – Order for tallow, pomatum. - 19 Oct 1832
180a - Order note. Ambrose Humphreys (Upper Wimpole St., London) to Boulton Watt & Co. [Soho]. - 14 Nov 1843
180b - Memorandum. Machinery required for a 10 horse condensing engine on Orange Hill - nd
181 - Letter. T. Palmer (30 Patriot Row, Bethnal Green) to Boulton Watt & Co. [Soho]. - 17 Nov 1843
182 - Letter. Charles Hunt (Wednesbury) to Boulton Watt & Co. (Soho). - 19 Aug 1842
183 - Letter. Charles Hunt (Wednesbury) to Boulton Watt & Co. (Soho Foundry). - 22 Oct 1842
184 - Letter. Charles Hunt (Wednesbury) to Boulton Watt & Co. (Soho). - 27 Mar 1843
185 - Letter. Frederick Hunt (Soho Foundry) to James Watt Jr. [Soho]. - 27 Nov 1842
186 - Letter. Hollins Hunt (Soho Foundry) to Gilbert Hamilton (Soho). - 10 Oct 1843
187 - Letter. Hunter & English (Bow) to Gilbert Hamilton (Soho Manufactory). - 2 Nov 1836
188 - Letter. W. Hunter (Bow) to James Brown [13 London St.]. - 23 Jan 1839
189 - Transcript of letter. Hunter & English (Bow) to James Brown [?] [13 London St.]. - 20 May 1840
190 - Letter. W. Hunter “for self & English” (Bow) to James Brown (18 London St.). - 9 Sep 1840
191 - Letter. Hunter & English (Bow) to James Brown [13 London St.]. - 17 Oct 1840
192 - Letter. James Hunter (Bow) to James Brown [London]. - 21 Dec 1840
193 - Transcript of letter. James Hunter (Bow) to James Brown [?] (—). - 9 Jan 1841
194 - Letter. Hunter & English per W. Seals (Bow) to Boulton Watt & Co. (London St.). - 15 Mar 1841
195 - Letter. James Hunter (Bow) to James Brown [London]. - 17 Mar 1841
196 - Letter. W. Hunter (Bow) to James Brown (London St.). - 23 Nov 1841
197 - Letter. W. Hunter (Bow) to James Brown [?] (—). - 24 Nov 1841
198 - Letter. James Hunter (Bow) to James Brown (13 London St.). - 8 Apr 1843
199a - Letter. P. S. Hynes (24 Edgware Rd., London) to Boulton Watt & Co. [Soho]. - 11 Jun 1836
199b - Memorandum. Hynes’ “Rough Notes” on his patent. - 13 Jun 1836
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
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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