Working model, scale 1:12, of 3 crank compound surface condensing vertical marine engines as built by Messrs. John Penn and Sons for the Royal Italian Government single-screw composite corvette the 'Cristoforo Colombo' (1875), in glass case on stand (see note) Model of surface condensing vertical marine engine 1876-1918
Whole model, scale 1:48, of the quadruple screw transatlantic turbine passenger steamer the TS 'Queen Elizabeth' (1983) on six metal feet, unsigned, United Kingdom, 1936-1968 Model of TS 'Queen Elizabeth' 1936-1968
Working model of Parson's doubel reduction geared turbine machinery with two driving shaft, by Parsons Marine Steam Turbine Co. Ltd., Wallsend, 1927-1929 Working model of Parsons Double, reduction geared turbines 1927-1929