| Description | Pumping and Canal Engines. (15 items).
Single-acting engine, with 44 inch cylinder, 8 foot stroke, chain connection.
General view of the engine (with captions in French), front views and plans of the engine and round boiler, Jan. 1779 (one of the front views has "mistake" marked on the first floor beams); front view of the engine and boiler, Jul. 1779; pipes, piston rod cap, piston, chain link, plan of the beam (captions in French); cylinder, air pump bucket etc. - 2 copies (marked "gudgeon same length as Hallamanin"); plan and side view of the working gear; plan and side view of the injection gear; sections and plan of the boiler and seating; printed list of components with notes on their construction and where they are to be made (2 copies); memorandum by James Watt about the boiler plates.
Original Portfolio or 'Book' No. 7. Catalogue of Old Engines p. 286.
For Joseph Jary, Concessionaire du Roi pour les mines du Nord près de Nantes en Bretagne. Colliery, Mort [?], near Nantes, France. This was the first Boulton & Watt engine erected in Europe.
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