Microcosm M8 Mini Steam Engine Boiler Pump with Piston. Manual hydraulic pump for Microcosm steam models. ✔ Hydrostatic boiler testing. ✅Standard 1/4"×40 TPI Thread. Universal compatibility with Microcosm/Micro-Mini steam engines.
M1B Microcosm Mini Steam Engine Model Functional Brass Desktop Educational Gift
Microcosm P30 Mini Steam Engine Flyball Governor for Steam Engine Parts
Microcosm M1B Mini Steam Engine Model with Steam Engine Boiler Set
Microcosm M6 Mini Steam Engine Kit with Steam Engine Boiler
Microcosm P30 Mini Steam Engine Flyball Governor For Steam Engine Parts
Microcosm M6 Brass Mini Steam Engine Kit(with Steam Engine Boiler& Alcohol Lamp)