| Description | Estimate by William Cheshire of the machinery of the New Mint. Apr. 1805. (With amendments by Matthew Robinson Boulton.)
Rough calculations by Matthew Robinson Boulton. 18 Oct. 1805. "Additions to National Mint estimate, for alterations, &c."
Estimate by Matthew Robinson Boulton. c. Apr. 1806. Headed, "Corrected estimate." |