Model of Robert Duncan's screw propeller, with stern frame and rudder, as fitted to the Egyptian government yacht 'Sareea 1886-1887
Model, of a cycloid form paddle wheel, based on Joshua Field's initial ideas and Elijah Galloway's later patent 1897-1898
The original engine of Henry Bell's paddle steamer, ‘Comet’, by John Robertson and David Napier, Glasgow, Scotland, 1812 The original engine of Henry Bell's paddle steamer 1812