Vintage Brass Steam Engine Valve Gear Demonstration Model fiberboard The hydraulic lift functions properly

The hydraulic lift functions properly

There is no label specifying which film this was shipped with last

cast iron machine base from C

symmetrical

Also present is a missing portion of the right-front clawfoot

Vintage Brass Steam Engine Valve Gear Demonstration Model fiberboard The hydraulic lift functions properlyBrass steam engine valve gear demonstration model produced to illustrate the operation and timing of steam valve mechanisms in a compact, highly visible format. The model features a heavy spoked flywheel, exposed crankshaft and connecting rods, brass cylinder and valve chest, and adjustable linkage mounted to a finished wooden base. All major mechanical relationships are left uncovered, emphasizing motion, sequencing, and mechanical interaction rather