Steel, cast iron, copper, brass, glass, paper, or painted sheet metal; riveting, soldering, bolting, turning, and machining. Dimensions: Approx. 37 x 23 x 40 cm. A compact, horizontal steam boiler, designed as a standalone steam generator, likely intended for educational purposes. The main part of the device consists of a horizontal, cylindrical boiler shell made of sheet metal, closed on both...