ocr: STEHM ENGINES: Arthur M. Greene Jr., Pumping Machinery John Wiley and Sons New York. 1911 Excellent discussion of all types of steam engines applied to pumping. Good historical background. Good discussion of etticiency limitations. Demonstrates that the theory was well understood well before 1900, but the materials to make small lightweight engines were not available. Edward reomans, Men, Steam, and the Driven Wheel Tuttle Publishing Co Rutland vermont, 1939 Nostalgic but interesting history of rairoading from a mechanical point of view.
