Old model mill engine, probably dating from late nineteenth century.
Constructed entirelt in brass with fish-bellied connecting rod, overhung crank
and slide bar crosshead. 1 inch bore, 1 1/2 stroke. The engine is nicely made
with wood-lagged cylinder and an interesting bell-crank driven boiler feed pump.
Runs very well at low pressure (indeed, on lung power alone!).
Length 13 inches
Flywheel 6 inch diameter