Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 295
, and the valvescould not be handled. It could not therefore be used in rolling-mills, the field to which I felt already that it was especially adapted.Moreover, every engine should be capable of being backed instarting, as otherwise whenever it had stopped with the pistonat a point later than the… … Cross-section of Cylinder and Valves. admission ports would be open. This in a large engine, or oneconnected with extensive lines of shafting, would be a serious