| Description | Additional Small Engines (9 items). 1350n. I. H. Machu, London. May, Jun. 1850, Apr. 1851, Oct., Nov. 1872. 9 items. 6 horse power independent crank engine, with parallel motion, [cast iron beam, cast iron connecting rod]. Engine formerly belonged to Boulton Watt & Co., Soho Foundry. Also "supplementary" boiler. Longitudinal section and plan of the engine, plan of the engine - tracings made in the London office. Also the following later items: new cylinder and nozzles - partially coloured drawing, Oct. 1782; new balance weight for slide valve - partially coloured tracing; new steam pipes and brass sliding piece - partially coloured original and partially coloured copy made in the London office, Nov. 1872. These drawings bear letter codes. Also sections and plan of supplementary boiler showing location of 6 horse engine by Peel & Co. - partially coloured original and reverse drawing, May 1850; sections of supplementary boiler etc. - partially coloured reverse drawing, Jun. 1850. These drawings bear letter codes. Original Portfolio or 'Book' No. 825. For I. H. Machu, 13 Twister's Alley, Bunhill Row, St. Luke's, London. This engine may have originally worked in the 14 horse shop at Soho Foundry, as the General Order Book 1842-1867 notes that Machu is to have "the old 6 horse engine." This engine was omitted from the Catalogue of Old Engines. |