Steam engine indicator

Made:
Bridgeport

Steam engine indicator, Ashcroft manufacturing Company, Bridgeport USA, Number 3224. Nickel plated all over, vertical drum pencil arm, blued steel, 5 share spring, screwdriver, scales, paper in box.

Details

Category:
Motive Power
Object Number:
Y1978.56
type:
steam engine indicator
credit:
Gift of Mr L T Davenport