| Description | Vacuum and Blowing Engines (17 items).
Double-acting engine, with 40 inch cylinder, 8 foot stroke, parallel motion, cast iron beam.
Coloured original and reverse general view of the engine, plan of the engine and boilers; reverse plans and sections of the engine house and boilers, drawings of wall plate (drawings re-drawn in Oct. 1827); reverse plan of the cylinder, condenser and air pump; parallel motion, side view of the hot water pump beam - coloured original and reverse drawings; working gear - coloured original and reverse front and side views; sketch of catch pin; letter from William Wood dated Penydarren, 10 Feb. 1802, with sketch of the boiler. All the drawings except the last two items bear letter codes.
Original Portfolio or 'Book' No. 409. Catalogue of Old Engines p. 270.
For Homfray Fothergill & Co., ordered by Samuel Homfray. Tredegar Iron Works, Monmouthshire. Many of the drawings are marked "417", but this would appear to be an error, as Book No. 417 contained drawings for Koops Tate & Co. (The Straw Paper Co.).
See also: Incoming Correspondence.
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