Diagramatic model of Seawards expansion gear

Made:
1845-1860 in Lambeth
maker:
John Seaward

Mounted diagrammic model, scale 1:10, of the modified Seaward engine valves and expansion gear as used on the HMS 'Avenger' (1845)

Details

Category:
Marine Engines
Object Number:
1860-53
Materials:
mahogany (wood) and brass (copper, zinc alloy)
Measurements:
overall: 430 mm x 765 mm x 75 mm,
type:
model - representation
credit:
Seaward, John