Steam engine Small 320×311 Medium 640×623 Large 1024×996 Download Tiff Original 2400×2335 | (1.5 MB) Description "The steam engine is a powerful device for utilizing the energy involved in the elasticity and expansive force of steam as a motive power. It is a real heat-engine, transforming heat into mechanical energy." — Avery, 1895 Keywords device, engine, machine, piston, steam Galleries Steam Power Generation Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 309
