Stuart Power Plant consisting of 513 Vertical Multi-tubular Boiler 16" high, 8" diameter (pg.28) on wooden base connected to No.8 1" bore, 1" stroke single cylinder horizontal engine (pg. 8) and No.1 Bottone O-Dynamo 18-30W, 12-18V (pg. 39) together with a Stuart Models 1937/38 Catalogue containing all the parts (page references above are for this catalogue) and a letter from Stuart Turner dated 1st April 1938 suggesting the purchase of the 513 Boiler to run the No.8 Engine.