December 2009 (6)
This lot is closed for bidding. Bidding ended on 12/11/2009
An interesting patent model of a steam slide valve mechanism with unique twin shutter port valves with hand crank eccentric-driven motion to spring-loaded tripping mechanism and slide assembly, made of brass, steel and mahogany.
Condition: (Very Good).
Item Dimensions: 24 - 1/2" L.