The boiler made of copper, silver solder welding. Width: 40 mm. Solid fuel alcohol.
M50 Mini Steam Boiler - 12ml Water, 10min Run, Copper Valve Safety & Fuel Switch
M50 Mini Steam Boiler 12ml Copper Alcohol Fuel w/ Safety Valve
M89 Mini Steam Boiler Steam Engine Model Gift Collection DIY Kit
Microcosm M89 Mini Steam Boiler Steam Engine Model Gift Collection DIY
M89 Mini Steam Boiler Engine Model Kit – Brass DIY Toy Gift Collectible
Mini Copper Steam Boiler for M50 Engine – 12ml with Safety Valve
