| Description | Letter. George A. Lee [Salford] to James Watt Jr. [Soho]. 20 Jan. 1808.
Memorandum. Mr. Lee’s Photogenous Apparatus. Salford, 19 Jan. 1808.
Extract of letter. Henry Creighton [Salford] to Boulton Watt & Co. 25 Jan. 1808.
Letter. George A. Lee [Salford] to James Watt Jr. [Soho]. 25 Jan. 1808.
Extract of letter. Boulton Watt & Co. to Henry Creighton [Salford]. 27 Jan. 1808.
Extract of letter. Henry Creighton [Salford] to Boulton Watt & Co. 29 Jan. 1808.
Extract of letter. George A. Lee [Salford] to Boulton Watt & Co. [?]. 4 Feb. 1808.
In James Watt Jr.’s hand. |