| Description | James Watt & Co. Drawings: Unused and Unidentified Engine Drawings. (31 items).
1371. Unidentified Drawings of Engines. 1770s-1800s. 31 items.
Drawings of various pumping, blowing and rotative engines.
Untitled and undated plans and sections of engines and engine houses dating from the 1770s to the 1790s. The drawings include:
Various untitled drawings of early pumping engines.
Drawing of a pumping engine marked "Canal engine" by Henry Hazleton.
Drawing of a pumping engine marked "Richmond engine" by Henry Hazleton (this does not appear to be the Richmond Water Works engine).
Plans and sections of engines and engine houses, 1770s and 1780s.
Two coloured front views of a rotative engine.
Section of an unusual beamless pumping engine design.
Coloured elevation of a 24 inch sun & planet engine working a forge fly wheel [previously mis-identified as the rebuild of the Soho Foundry engine].
Coloured drawing of a tilt hammer.
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