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A E & H Robinson of 78 Great Bridgewater Street, Manchester; of Church Street, Beswick, Manchester.
1881 Producing hot air engines
1891, On 21 November, the Illustrated Magazine of Practice and Theory described a patent hot air engine designed by A. E. and H. Robinson as a "useful and thoroughly good motor for driving small machinery". The engine weighed 12 cwt and had a bore and stroke both of 10 inches and developed 5/8 hp when running at 170rpm. Heat was generated by burning coke in a fire box at the rate of 7 1/2 lb/hr which meant a thermal efficiency of between seven and ten percent. A pre-1900 example recovered recently from a farm in Horsham, Sussex had pumped water until damaged by frost in the severe winter of 1958. Gardners arranged to manufacture the Robinson type of engine.
1893 Example of Hot-air engine to Robinson's Patent. Exhibit at Manchester's Museum of Science and Industry.
1900 Low-power hot air engine. (Exhibit at Birmingham Thinktank museum). Listed as A. E. Robinson and Co
1907 Gas Engine. (Exhibit at Manchester's Museum of Science and Industry)