| Description | Pumping and Canal Engines. (17 items).
585. Gravesend Tunnel (GT). Jan., Mar.-Jul. 1801. 17 items.
Single-acting engine, with 52 inch cylinder, 8 foot stroke, chain connection.
Reverse general view of the engine and boiler, plan of the engine and boilers; reverse plans and sections of the engine house and boilers, drawings of the cistern; plans and sections of the cylinder lid and bottom and piston - reverse drawings; plan of the cylinder, air pump and condenser - original, direct copy and reverse drawing; arch plates for beam ends, martingales, braces, air pump cross bar, chain links, adjusting screws, sockets for king posts, gudgeons, plummer blocks, piston rod cap and cross bar - reverse drawings; inner bottom of cylinder - press copy sketch; nozzles and gear - partially coloured reverse drawing; working gear - reverse front and side views, also marked "Kenton Colliery"; note from Samuel Clegg to Abraham Storey ordering various pipes. All the drawings except the press copy sketch and Clegg's note bear letter codes.
Original Portfolio or 'Book' No. 413. Catalogue of Old Engines p. 292.
For the Gravesend Tunnel. The engine was erected at Tilbury Fort. It was later damaged by fire and the materials were bought by Hawks & Co. of Newcastle upon Tyne.
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