Model of cylinder with separate condenser, formerly described as the "original" model. Watt's second separate condenser, 1765. Motive Power 1765
Newcomen Engine built by Francis Thompson of Ashover near Chesterfield 1791. Re-erected in house built with materials taken from the engine house at Pentrich, Derbyshire, where it was last worked Newcomen Atmospheric Engine Motive Power 1791
McInnes-Dobbie steam engine indicator, McInnes-Dobbie Limited, London, England. Design No.1 of 1888; external spring. No. 2618 McInnes-Dobbie steam engine indicator Motive Power 1888 (design date)
Partly sectioned 100 K.W. Radial Flow Steam Turbine alternator with Generator, built by C. A. Parsons and Company, Newcastle upon Tyne in 1892 for the Cambridge Electric Supply Company. 100 K.W. Parsons' Radial Flow Steam Turbine alternator with Generator, partly sectioned Motive Power 1892
Model representing Murray's portable beam engine, by James Fox, Derby, 1808 Model of Murray's portable beam engine Motive Power 1808