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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
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
1 - London Office Outgoing Correspondence, 1818 - 1818
2 - London Office Outgoing Correspondence, 1819 - 1819
3 - London Office Outgoing Correspondence, 1820 - 1820
4 - London Office Outgoing Correspondence, 1821 - 1821
5 - London Office Outgoing Correspondence, 1822 - 1822
6 - London Office Outgoing Correspondence, 1823 - 1823
7 - London Office Outgoing Correspondence, 1824 - 1824
8 - London Office Outgoing Correspondence, 1825 - 1825
9 - London Office Outgoing Correspondence, 1826 - 1826
10 - London Office Outgoing Correspondence, 1828 - 1828
11 - London Office Outgoing Correspondence, 1830 - 1830
12 - London Office Outgoing Correspondence, 1831 - 1831
13 - London Office Outgoing Correspondence, 1832 - 1832
14 - London Office Outgoing Correspondence, 1836 - 1836
15 - London Office Outgoing Correspondence, 1839 - 1839
16 - London Office Outgoing Correspondence, 1846 - 1846
18 - London Office Outgoing Correspondence, 1847 - 1847
23 - Incoming Correspondence, 1818 - 1818
24 - Incoming Correspondence, 1819 - 1819
25 - Incoming Correspondence, 1820 - 1820
26 - Incoming Correspondence, 1821 - 1821
27 - Incoming Correspondence, 1822 - 1822
28 - Incoming Correspondence, 1823 - 1823
29 - Incoming Correspondence, 1824 - 1824
30 - Incoming Correspondence, 1825 - 1825
31 - Incoming Correspondence, 1826 - 1826
1 - Letter. M. R. Boulton (Soho) to James Brown. 18 Apr. 1826. - 18 Apr 1826
2 - Letter. M. R. Boulton (Soho) to James Brown. 26 Aug. 1826. - 26 Aug 1826
3 - Letter. Boulton Watt & Co. (Soho) to James Brown. 5 Apr. 1826. - 5 Apr 1826
4 - Letter. Boulton Watt & Co. (Soho) to James Brown. 17 Apr. 1826. - 17 Apr 1826
5 - Letter. Boulton Watt & Co. (Soho) to John Mosley. 21 Sep. 1826. - 21 Sep 1826
6 - Letter. Boulton Watt & Co. (Soho) to James Brown. 22 Oct. 1826. - 22 Oct 1826
7 - Letter. Boulton Watt & Co. (Soho) to James Brown. 10 Nov. 1826. - 10 Nov 1826
8 - Letter. William Creighton (Soho) to James Brown. 2 Jan. 1826. - 2 Jan 1826
9 - Letter. William Creighton (Soho) to James Brown. 4 Jan. 1826. - 4 Jan 1826
10 - Letter. William Creighton (Soho) to James Brown. 9 Feb. 1826. - 9 Feb 1826
11 - Letter. William Creighton (Soho) to James Brown. 19 Feb. 1826. - 19 Feb 1826
12 - Sketch. William Creighton. 20 Feb. 1826. - 20 Feb 1826
13 - Letter. William Creighton (Soho) to James Brown. 21 Feb. 1826. - 21 Feb 1826
14 - Letter. William Creighton (Soho) to James Brown. 16 Mar. 1826. - 16 Mar 1826
15 - Letter. William Creighton (Soho) to James Brown. 20 Mar. 1826. - 20 Mar 1826
16 - Letter. William Creighton (Soho) to James Brown. 29 Mar. 1826. - 29 Mar 1826
17 - Letter. William Creighton (Soho) to James Brown. 30 Mar. 1826. - 30 Mar 1826
18 - Letter. William Creighton (Soho) to James Brown. 3 Apr. 1826. - 3 Apr 1826
19 - Letter. William Creighton (Soho) to James Brown. 8 Apr. 1826. - 8 Apr 1826
20 - Letter. William Creighton (Soho) to James Brown. 11 Apr. 1826. - 11 Apr 1826
21 - Letter. William Creighton (Soho) to James Brown. 13 Apr. 1826. - 13 Apr 1826
22 - Letter. William Creighton (Soho) to James Brown. 17 Apr. 1826. - 17 Apr 1826
23 - Letter. William Creighton (Soho) to James Brown. 20 Apr. 1826. - 20 Apr 1826
24 - Letter. William Creighton (Soho) to James Brown. 27 Apr. 1826. - 27 Apr 1826
25 - Letter. William Creighton (Soho) to James Brown. 1 May 1826. - 1 May 1826
26 - Letter. William Creighton (Soho) to John Mosley or James Brown. 5 May 1826. - 5 May 1826
27 - Letter. William Creighton (Soho) to James Brown. 15 May 1826. - 15 May 1826
28 - Letter. William Creighton (Soho) to James Brown. 18 May 1826. - 18 May 1826
29 - Transcript of Memorandum. William Creighton for Boulton Watt & Co. (Soho) to the Royal Mint. 19 May 1826. - 19 May 1826
30 - Note. William Creighton (—) to James Brown. — Jun. 1826. - Jun 1826
31 - Letter. William Creighton (Soho) to James Brown. 6 Jun. 1826. - 6 Jun 1826
32 - Letter. William Creighton (Soho) to James Brown. 26 Jun. 1826. - 26 Jun 1826
33 - Letter. William Creighton (Soho) to James Brown. 29 Jun. 1826. - 29 Jun 1826
34 - Letter. William Creighton (Soho) to James Brown. 3 Jul. 1826. - 3 Jul 1826
35 - Letter. William Creighton (Soho) to James Watt Jr. (—). 24 Jul. 1826. - 24 Jul 1826
36 - Letter. William Creighton (Soho) to James Brown. 27 Jul. 1826. - 27 Jul 1826
37 - Letter. William Creighton (Soho) to James Brown. 10 Aug. 1826. - 10 Aug 1826
38 - Letter. William Creighton (Soho) to James Brown. 16 Aug. 1826. - 16 Aug 1826
39 - Letter. William Creighton (Soho) to James Brown. 23 Aug. 1826. - 23 Aug 1826
40 - Letter. William Creighton (Soho) to John Mosley. 30 Aug. 1826. - 30 Aug 1826
41 - Letter. William Creighton (Soho) to James Brown. 31 Aug. 1826. - 31 Aug 1826
42 - Letter. William Creighton (Soho) to James Brown. 2 Sep. 1826. - 2 Sep 1826
43 - Letter. William Creighton (Soho) to James Brown. 7 Sep. 1826. - 7 Sep 1826
44 - Letter. William Creighton (Soho) to James Brown. 8 Sep. 1826. - 8 Sep 1826
45 - Letter. William Creighton (Soho) to James Brown. 16 Sep. 1826. - 16 Sep 1826
46 - Note. William Creighton (—) to James Brown. 22 Sep. 1826. - 22 Sep 1826
47 - Letter. William Creighton (Soho) to James Brown. 24 Sep. 1826. - 24 Sep 1826
48 - Letter. William Creighton (Soho) to James Brown. 24 Oct. 1826. - 24 Oct 1826
49 - Sketches. William Creighton. 26 Oct. 1826. - 26 Oct 1826
50 - Letter. William Creighton (Soho) to James Brown. 30 Oct. 1826. - 30 Oct 1826
51 - Letter. William Creighton (Soho) to James Brown. 12 Nov. 1826. - 12 Nov 1826
52 - Letter. William Creighton (Soho) to James Brown. 14 Nov. 1826. - 14 Nov 1826
53 - Letter. William Creighton (Soho) to James Watt Jr. (London). 30 Nov. 1826. - 30 Nov 1826
54 - Letter. William Creighton (Soho) to James Brown. 7 Dec. 1826. - 7 Dec 1826
55 - Letter. William Creighton (Soho) to James Brown. 25 Dec. 1826. - 25 Dec 1826
56 - Letter. John Dawn (Soho Foundry) to James Brown. 24 Aug. 1826. - 24 Aug 1826
57 - Letter. Peter Dixon (Carlisle) to James Brown [?] (—). 13 May 1826. - 13 May 1826
58 - Memorandum of East India Steam Vessel. 11 Apr. 1826. - 11 Apr 1826
59 - Letter. William Fearnall (Union Dock, Limehouse) to James Brown (Jewry St.). 8 Jun. 1826. - 8 Jun 1826
60 - Transcript of letter. George Henry Freeling (Holyhead) to ?. 22 Sep. 1826. - 22 Sep 1826
61 - Transcript of letter. H. Gardner (Deptford) to ?. 25 Sep. 1826. - 25 Sep 1826
62 - Letter. George Graham (Navy Yard, Harwich) to James Brown (Jewry St.). 22 Apr. 1826. - 22 Apr 1826
63 - Letter. Gilbert Hamilton (Soho) to James Brown. 26 Sep. 1826. - 26 Sep 1826
64 - Letter. Gilbert Hamilton (Soho) to James Brown. 29 Oct. 1826. - 29 Oct 1826
65 - Letter. Gilbert Hamilton (Soho) to James Brown. 30 Oct. 1826. - 30 Oct 1826
66 - Letter. Gilbert Hamilton (Soho) to James Brown. 1 Nov. 1826. - 1 Nov 1826
67 - Letter. William Harrison (Kent Water Works, Deptford) to James Brown (Jewry St.). 27 Sep. 1826. - 27 Sep 1826
68 - Letter. Hollins Hunt (Soho Foundry) to James Brown. 16 Feb. 1826. - 16 Feb 1826
69 - Letter. Hollins Hunt (Soho Foundry) to James Brown. 12 Jun. 1826. - 12 Jun 1826
70 - Transcript of letter. Hollins Hunt (Soho Foundry) to Boulton Watt & Co. [Soho]. 2 Oct. 1826. - 2 Oct 1826
71 - Letter. Hollins Hunt (Soho Foundry) to James Brown. 18 Nov. 1826. - 18 Nov 1826
72 - Letter. M. K. Knight (Office of West Middlesex Water Works, Berners St.) to James Brown. 30 Mar. 1826. - 30 Mar 1826
73 - Letter. M. K. Knight (Office of West Middlesex Water Works, Berners St.) to James Brown. 25 Apr. 1826. - 25 Apr 1826
74 - Letter. William Laird (Liverpool) to James Brown. 21 Mar. 1826. - 21 Mar 1826
75 - Letter. William Laird (Liverpool) to Boulton Watt & Co. 22 Apr. 1826. - 22 Apr 1826
76 - Letter. John Laird (Liverpool) to James Brown. 12 Jul. 1826. - 12 Jul 1826
77 - Letter. William & John Laird (Liverpool) to James Brown. 26 Aug. 1826. - 26 Aug 1826
78 - Memorandum. Experiments with Magnet’s Boiler. 18 Dec. 1826. - 18 Dec 1826
79 - Transcripts. City of Mexico Mint. - 1826
80 - Order Note. John Miller (Margate Steam Packet Co., 55 Fenchurch St.) to Boulton Watt & Co. 8 Mar. 1826. - 8 Mar 1826
81 - Letter. John Miller (Margate Steam Packet Co., 55 Fenchurch St.) to James Brown. 27 Apr. 1826. - 27 Apr 1826
82 - Letter. Alexander Mitchell (35 Leadenhall St.) to James Brown (Jewry St.). 21 Apr. 1826. - 21 Apr 1826
83 - Letter. Alexander Mitchell (35 Leadenhall St.) to James Brown (Jewry St.). 9 Jun. 1826. - 9 Jun 1826
84 - Letter. Alexander Mitchell (35 Leadenhall St.) to James Brown (Jewry St.). 16 Jun. 1826. - 16 Jun 1826
85 - Letter. John Murdock (Soho Foundry) to James Brown. “Thursday” [7 Sep. 1826]. - 7 Sep 1826]
86 - Letter. John Murdock (Soho Foundry) to James Brown. 11 Sep. 1826. - 11 Sep 1826
87 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 2 Feb. 1826. - 2 Feb 1826
88 - Letter. William Murdock Jr. (Soho Foundry) to James Watt Jr. — Feb. 1826. - Feb 1826
89 - Letter. William Murdock Jr. (—) to James Brown. 17 Mar. 1826. - 17 Mar 1826
90 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 20 Mar. 1826. - 20 Mar 1826
91 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 23 Mar. 1826. - 23 Mar 1826
92 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 30 Mar. 1826. - 30 Mar 1826
93 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 30 Mar. 1826. - 30 Mar 1826
94 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 13 Apr. 1826. - 13 Apr 1826
95 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 17 Apr. 1826. - 17 Apr 1826
96 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 18 Apr. 1826. - 18 Apr 1826
97 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 11 May 1826. - 11 May 1826
98 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 18 May 1826. - 18 May 1826
99 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 23 May 1826. - 23 May 1826
100 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 29 May 1826. - 29 May 1826
101 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 2 Jun. 1826. - 2 Jun 1826
102 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 12 Jun. 1826. - 12 Jun 1826
103 - Letter. William Murdock Jr. (Soho Foundry) to James Watt Jr. 12 Jun. 1826. - 12 Jun 1826
104 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 19 Jun. 1826. - 19 Jun 1826
105 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 20 Jun. 1826. - 20 Jun 1826
106 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 26 Jun. 1826. - 26 Jun 1826
107 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 26 Jun. 1826. - 26 Jun 1826
108 - Letter. William Murdock Jr. (—) to James Brown. 28 Jun. 1826. - 28 Jun 1826
109 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 7 Jul. 1826. - 7 Jul 1826
110 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 14 Jul. 1826. - 14 Jul 1826
111a - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 15 Jul. 1826. - 15 Jul 1826
111b - Memorandum. Experiment on the Escape’s boiler. - 1826
112 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 22 Jul. 1826. - 22 Jul 1826
113 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 1 Aug. 1826. - 1 Aug 1826
114 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 3 Aug. 1826. - 3 Aug 1826
115 - Letter. William Murdock Jr. (—) to James Brown. 10 Aug. 1826. - 10 Aug 1826
116 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 11 Aug. 1826. - 11 Aug 1826
117 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 14 Aug. 1826. - 14 Aug 1826
118 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 16 Aug. 1826. - 16 Aug 1826
119 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 21 Aug. 1826. - 21 Aug 1826
120 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 25 Aug. 1826. - 25 Aug 1826
121 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 26 Aug. 1826. - 26 Aug 1826
122 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 28 Aug. 1826. - 28 Aug 1826
123 - Letter. William Murdock Jr. (—) to James Brown. 7 Sep. 1826. - 7 Sep 1826
124 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 11 Sep. 1826. 2 sheets. - 11 Sep 1826
125 - Transcript of letter. William Murdock Jr. (Soho Foundry) to Boulton Watt & Co. [Soho]. 13 Sep. 1826. 2 sheets. - 13 Sep 1826
126 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 13 Sep. 1826. - 13 Sep 1826
127 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 19 Sep. 1826. - 19 Sep 1826
128 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 25 Sep. 1826. - 25 Sep 1826
129 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 27 Sep. 1826. - 27 Sep 1826
130 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 3 Oct. 1826. - 3 Oct 1826
131 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 4 Oct. 1826. - 4 Oct 1826
132 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 5 Oct. 1826. - 5 Oct 1826
133 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 9 Oct. 1826. - 9 Oct 1826
134 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 11 Oct. 1826. - 11 Oct 1826
135 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 23 Oct. 1826. - 23 Oct 1826
136 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 24 Oct. 1826. - 24 Oct 1826
137 - Letter. William Murdock Jr. (Soho) to James Brown. 26 Oct. 1826. - 26 Oct 1826
138 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 27 Oct. 1826. - 27 Oct 1826
139 - Letter. William Murdock Jr. (Soho) to James Brown. 30 Oct. 1826. - 30 Oct 1826
140 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 3 Nov. 1826. - 3 Nov 1826
141 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 5 Nov. 1826. - 5 Nov 1826
142 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 6 Nov. 1826. - 6 Nov 1826
143 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 23 Nov. 1826. - 23 Nov 1826
144 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 27 Nov. 1826. - 27 Nov 1826
145 - Letter. William Murdock Jr. (Soho Foundry) to James Watt Jr. 28 Nov. 1826. - 28 Nov 1826
146 - Letters. William Murdock Jr. (Soho Foundry) to James Watt Jr. 29 & 30 Nov. 1826. - 30 Nov 1826
147 - Letter. William Murdock Jr. (Soho Foundry) to James Watt Jr. 2 Dec. 1826. - 2 Dec 1826
148 - Letter. William Murdock Jr. (Soho Foundry) to James Watt Jr. [London]. 4 Dec. 1826. - 4 Dec 1826
149 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 5 Dec. 1826. - 5 Dec 1826
150 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 7 Dec. 1826. - 7 Dec 1826
151 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 11 Dec. 1826. - 11 Dec 1826
152 - Letter. William Murdock Jr. (Soho Foundry) to James Watt Jr. 18 Dec. 1826. - 18 Dec 1826
153 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 23 Dec. 1826. - 23 Dec 1826
154 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 28 Dec. 1826. - 28 Dec 1826
155 - Letter. William Murdock Jr. (Soho Foundry) to James Brown. 30 Dec. 1826. - 30 Dec 1826
156 - Transcript of letter. James Myatt (Ouchy) to Boulton Watt & Co. [Soho]. 8 Sep. 1826. - 8 Sep 1826
157 - Transcript of memorandum. William Chadwell Mylne. 4 Dec. 1826. - 4 Dec 1826
158 - Letter. Capt. Robert O’Brien (Birmingham) to James Brown. 15 Aug. 1826. - 15 Aug 1826
159 - Letter. Capt. Robert O’Brien (Shannon, off Cowes) to James Brown. 18 Sep. 1826. - 18 Sep 1826
160a - Letter. T. Wells Ingram (131 Snow Hill) to Boulton & Watt (—). 9 Dec. 1826. - 9 Dec 1826
160b - Memorandum. Description of the dispenser invented by Edward Stephens (36 Stafford St., Dublin). 28 Nov. 1826. - 28 Nov 1826
161 - Letter. Joseph H. Ritchie (Liverpool) to James Brown. 21 Feb. 1826. - 21 Feb 1826
162 - Memorandum. Sangford’s journal in Shannon. 29 Oct. 1826. 2 sheets. - 29 Oct 1826
163 - Memorandum. Experiments with the Boilers of Shannon. 25 May—1 Jun. 1826. - 1826
164 - Letter. Nathaniel W. Symonds (7 Crescent, Minories) to James Brown (George St., Minories). 6 Jun. 1826. - 6 Jun 1826
165 - Letter. Nathaniel W. Symonds (7 Crescent, Minories) to James Brown (George St., Minories). 7 Aug. 1826. - 7 Aug 1826
166 - Letter. Capt. William Smithett (Harwich) to James Brown (Jewry St.). 24 Jan. 1826. - 24 Jan 1826
167 - Letter. Capt. William Smithett (Harwich) to James Brown. 10 Feb. 1826. - 10 Feb 1826
168 - Letter. Capt. William Smithett (Harwich) to James Brown (Jewry St.). 2 Mar. 1826. - 2 Mar 1826
169 - Letter. Capt. William Smithett (Harwich) to James Brown. 2 Apr. 1826. - 2 Apr 1826
170 - Letter. Capt. William Smithett (Harwich) to James Brown. 16 Jun. 1826. - 16 Jun 1826
171 - Letter. R. Theakstone & Co. (Liverpool) to Boulton Watt & Co. 2 Dec. 1826. - 2 Dec 1826
172 - Memorandum. On board the Thetis. 21 Feb. 1826. - 21 Feb 1826
173 - Memorandum. Observations on Thetis’s Engines. 2 Mar. 1826. - 2 Mar 1826
174 - Letter. Capt. C. H. Townley (Falmouth) to James Brown (Boulton & Watt, London St.). “Tuesday” [22 Aug. 1826]. - 22 Aug 1826
175 - Memorandum. Invoice of Dr. Verdeil’s Boiler. Not dated. 2 sheets. - 1826
176 - Letter. James Watt Jr. (Aston) to James Brown. 2 Jan. 1826. 2 sheets. - 2 Jan 1826
177 - Letter. James Watt Jr. (Aston) to James Brown. 9 Jan. 1826. - 9 Jan 1826
178 - Letter. James Watt Jr. (Soho) to James Brown. 11 Jan. 1826. - 11 Jan 1826
179 - Letter. James Watt Jr. (Soho) to James Brown. 14 Jan. 1826. - 14 Jan 1826
180 - Letter. James Watt Jr. (Soho) to James Brown. 18 Jan. 1826. - 18 Jan 1826
181 - Letter. James Watt Jr. (Soho) to James Brown. 23 Jan. 1826. - 23 Jan 1826
182 - Letter. James Watt Jr. (Soho) to James Brown. 26 Jan. 1826. - 26 Jan 1826
183 - Letter. James Watt Jr. (Soho) to James Brown. 29 Jan. 1826. - 29 Jan 1826
184 - Letter. James Watt Jr. (Soho) to James Brown. 30 Jan. 1826. - 30 Jan 1826
185 - Letter. James Watt Jr. (Soho) to James Brown. 31 Jan. 1826. - 31 Jan 1826
186 - Letter. James Watt Jr. (Aston) to James Brown. 18 Mar. 1826. - 18 Mar 1826
187 - Letter. James Watt Jr. (Soho) to James Brown. 29 Mar. 1826. - 29 Mar 1826
188 - Letter. James Watt Jr. (Soho Foundry) to James Brown. 30 Mar. 1826. - 30 Mar 1826
189 - Letter. James Watt Jr. (Soho) to James Brown. 30 Mar. 1826. - 30 Mar 1826
190 - Letter. James Watt Jr. (Soho) to James Brown. 3 Apr. 1826. - 3 Apr 1826
191 - Letter. James Watt Jr. (Soho) to James Brown. 6 Apr. 1826. - 6 Apr 1826
192 - Letter. James Watt Jr. (Soho) to James Brown. 9 Apr. 1826. - 9 Apr 1826
193 - Letter. James Watt Jr. (Soho) to James Brown. 10 Apr. 1826. - 10 Apr 1826
194 - Letter. James Watt Jr. (Aston) to James Brown. 11 Apr. 1826. - 11 Apr 1826
195 - Letter. James Watt Jr. (Soho) to James Brown. 12 Apr. 1826. - 12 Apr 1826
196 - Letter. James Watt Jr. (Soho) to James Brown. 14 Apr. 1826. - 14 Apr 1826
197 - Letter. James Watt Jr. (Soho) to James Brown. 15 Apr. 1826. - 15 Apr 1826
198 - Letter. James Watt Jr. (Soho) to James Brown. 17 Apr. 1826. - 17 Apr 1826
199 - Letter. James Watt Jr. (Soho) to James Brown. 19 Apr. 1826. - 19 Apr 1826
200 - Letter. James Watt Jr. (Soho) to James Brown. 21 Apr. 1826. - 21 Apr 1826
201 - Letter. James Watt Jr. (Soho) to James Brown. 24 Apr. 1826. - 24 Apr 1826
202 - Letter. James Watt Jr. (Soho) to James Brown. 27 Apr. 1826. - 27 Apr 1826
203 - Letter. James Watt Jr. (Soho) to James Brown. 30 Apr. 1826. - 30 Apr 1826
204 - Letter. James Watt Jr. (Soho) to James Brown. 1 May 1826. - 1 May 1826
205 - Letter. James Watt Jr. (Soho) to James Brown. 4 May 1826. - 4 May 1826
206 - Letter. James Watt Jr. (Soho) to James Brown. 7 May 1826. - 7 May 1826
207 - Letter. James Watt Jr. (Soho) to James Brown. 14 May 1826. - 14 May 1826
208 - Letter. James Watt Jr. (Soho) to James Brown. 18 May 1826. - 18 May 1826
209 - Letter. James Watt Jr. (Aston) to James Brown. 22 May 1826. - 22 May 1826
210 - Letter. James Watt Jr. (Norfolk Hotel) to James Brown (Jewry St.). 11 Jun. 1826. - 11 Jun 1826
211 - Letter. James Watt Jr. (Soho) to James Brown. 14 Jun. 1826. - 14 Jun 1826
212 - Letter. James Watt Jr. (Aston) to James Brown. 18 Jun. 1826. - 18 Jun 1826
213 - Letter. James Watt Jr. (Soho) to James Brown. 30 Jun. 1826. - 30 Jun 1826
214 - Letter. James Watt Jr. (Aston) to James Brown. 2 Jul. 1826. - 2 Jul 1826
215 - Letter. James Watt Jr. (Soho) to James Brown. 3 Jul. 1826. - 3 Jul 1826
216 - Letter. James Watt Jr. (Soho) to James Brown. 5 Jul. 1826. - 5 Jul 1826
217 - Letter. James Watt Jr. (Soho) to James Brown. 6 Jul. 1826. - 6 Jul 1826
218 - Letter. James Watt Jr. (London) to James Brown (Jewry St.). 26 Jul. 1826. - 26 Jul 1826
219 - Letter. James Watt Jr. (Soho) to James Brown. 29 Jul. 1826. - 29 Jul 1826
220 - Letter. James Watt Jr. (Glasgow) to James Brown. 16 Aug. 1826. - 16 Aug 1826
221 - Letter. James Watt Jr. (Glasgow) to James Brown. 21 Aug. 1826. - 21 Aug 1826
222 - Letter. James Watt Jr. (Glasgow) to James Brown. 28 Aug. 1826. - 28 Aug 1826
223 - Letter. James Watt Jr. (Penrith) to James Brown. 6 Sep. 1826. - 6 Sep 1826
224 - Letter. James Watt Jr. (Soho) to James Brown. 18 Sep. 1826. - 18 Sep 1826
225a - Letter. James Watt Jr. (Soho) to James Brown. 20 Sep. 1826. - 20 Sep 1826
225b - Transcript of letter. James Watt Jr. (London) to Boulton Watt & Co. 13 Apr. 1825. - 13 Apr 1825
226 - Letter. James Watt Jr. (Soho) to James Brown. 23 Sep. 1826. - 23 Sep 1826
227 - Letter. James Watt Jr. (Soho) to James Brown. 28 Sep. 1826. - 28 Sep 1826
228 - Letter. James Watt Jr. (Soho) to James Brown. 2 Oct. 1826. - 2 Oct 1826
229a - Letter. James Watt Jr. (Soho) to James Brown. 6 Oct. 1826. - 6 Oct 1826
229b - Transcript of letter. Boulton Watt & Co. (Soho) to George Henry Freeling (General Post Office). 5 Oct. 1826. - 5 Oct 1826
230 - Letter. James Watt Jr. (Soho) to James Brown. 9 Oct. 1826. - 9 Oct 1826
231 - Letter. James Watt Jr. (Soho) to James Brown. 11 Oct. 1826. - 11 Oct 1826
232 - Letter. James Watt Jr. (Soho) to James Brown. 12 Oct. 1826. - 12 Oct 1826
233 - Letter. James Watt Jr. (Soho) to James Brown. 14 Oct. 1826. - 14 Oct 1826
234a - Letter. James Watt Jr. (Soho) to James Brown. 17 Oct. 1826. - 17 Oct 1826
234b - Transcript of letter. William Murdock Jr. (Liverpool) to James Watt Jr. [Soho]. 14 Oct. 1826. - 14 Oct 1826
235 - Letter. James Watt Jr. (Soho) to James Brown. 17 Oct. 1826. - 17 Oct 1826
236a - Letter. James Watt Jr. (Soho) to James Brown. 19 Oct. 1826. - 19 Oct 1826
236b - Transcript of letter. Boulton Watt & Co. (Soho) to George Henry Freeling (General Post Office). 19 Oct. 1826. 2 sheets. - 19 Oct 1826
237 - Letter. James Watt Jr. (Soho) to James Brown. 20 Oct. 1826. - 20 Oct 1826
238 - Letter. James Watt Jr. (Soho) to James Brown. 23 Oct. 1826. - 23 Oct 1826
239 - Letter. James Watt Jr. (Soho) to James Brown. 24 Oct. 1826. - 24 Oct 1826
240 - Letter. James Watt Jr. (Soho) to James Brown. 25 Oct. 1826. - 25 Oct 1826
241 - Letter. James Watt Jr. (Soho) to James Brown. 26 Oct. 1826. - 26 Oct 1826
242 - Letter. James Watt Jr. (Soho) to James Brown. 26 Oct. 1826. - 26 Oct 1826
243 - Letter. James Watt Jr. (Soho Foundry) to James Brown. 28 Oct. 1826. - 28 Oct 1826
244 - Letter. James Watt Jr. (Soho) to James Brown. 30 Oct. 1826. - 30 Oct 1826
245a - Letter. James Watt Jr. (Soho) to James Brown. 2 Nov. 1826. - 2 Nov 1826
245b - Transcripts. Three transcripts on the same sheet, as follows: - 2 Nov 1826
246 - Letter. James Watt Jr. (Soho) to James Brown. 3 Nov. 1826. - 3 Nov 1826
247 - Letter. James Watt Jr. (Soho) to James Brown. 5 Nov. 1826. - 5 Nov 1826
248 - Letter. James Watt Jr. (Soho) to James Brown. 6 Nov. 1826. - 6 Nov 1826
249 - Letter. James Watt Jr. (Soho) to James Brown. 7 Nov. 1826. - 7 Nov 1826
250 - Letter. James Watt Jr. (Soho) to James Brown. 9 Nov. 1826. - 9 Nov 1826
251 - Letter. James Watt Jr. (Soho) to James Brown. 12 Nov. 1826. - 12 Nov 1826
252 - Letter. James Watt Jr. (Norfolk Hotel) to James Brown. 19 Nov. 1826. - 19 Nov 1826
253 - Letter. James Watt Jr. (Soho) to James Brown. 28 Dec. 1826. - 28 Dec 1826
254 - Letter. James Watt Jr. (Aston) to James Brown. 31 Dec. 1826. - 31 Dec 1826
255 - Transcript of letter. Josh. Webster (Nieuve diep) to Boulton Watt & Co. 9 Aug. 1826. - 9 Aug 1826
256 - Sketch. Balance Apparatus 80 horse engines. Not dated [circa Nov./Dec. 1826?]. - 1826
32 - Incoming Correspondence, 1827 - 1827
33 - Incoming Correspondence, 1828 - 1828
34 - Incoming Correspondence, 1829 - 1829
35 - Incoming Correspondence, 1830 - 1830
36 - Incoming Correspondence, 1831 - 1831
37 - Incoming Correspondence, 1832 - 1832
38 - Incoming Correspondence, 1833 - 1833
39 - Incoming Correspondence, 1834 - 1834
40 - Incoming Correspondence, 1835 - 1835
41 - Incoming Correspondence, 1836 - 1836
42 - Incoming Correspondence, 1837 - 1837
43 - Incoming Correspondence, 1839 - 1839
44 - Incoming Correspondence, 1840 - 1840
45 - Incoming Correspondence, 1841 - 1841
46 - Incoming Correspondence, 1842 - 1842
47 - Incoming Correspondence, 1843 - 1843
48 - Incoming Correspondence, 1844 - 1844
49 - Incoming Correspondence, 1845 - 1845
50 - Incoming Correspondence, 1846 - 1846
51 - Incoming Correspondence, 1847-49 - 1847-1849
52 - Incoming Correspondence, 1851 - 1851
53 - Incoming Correspondence, 1852 - 1852
54 - Incoming Correspondence, 1853 - 1853
55 - Incoming Correspondence, 1855 - 1855
56 - Incoming Correspondence, 1850, 1854, 1857-59 - 1850-1859
57 - Incoming Correspondence and Papers, 1860—1863, 1865—1869 - 1860-1869
59 - London Office Special Subjects Correspondence Re. The Imperial & Royal Danube Steam Navigation Co. - 1828 - 1837
60 - London Office Special Subjects The Imperial & Royal Danube Steam Navigation Co. - 1838 — 1839
61 - London Office Special Subjects The Imperial & Royal Danube Steam Navigation Co. – Press Copies of Letters - 1829 — 1839
64 - London Office Special Subjects L. Souberbielle Et Compagnie - 1856 – 1863
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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