| Description | Soho House, Copying Press, Scientific Apparatus, James Watt’s Small Lathe Engine etc. (6 items).
1472. Canal Lock, Catalpults, Centrifugal Bed. Not dated. 6 items.
Plan and sections of a canal lock - coloured original and reverse drawings, not dated.
"M. de Loyauté's Catapulte made by Whitmore", not dated [circa 1795-1796?].
"Mr. Boulton's scheme for Catapulte", not dated.
Elevations of "Centrifugal Bed - Mr. Watt", with patient sketched in, not dated. [1795]
Elevations of "Mr. Watt's Centrifugal Bed", not dated. [1795]
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