Locomotive Valves & Valve Gears: M

Compiled largely from notes used in the instruction of apprentices of the Pennsylvania Railroad Company. Contents: Locomotive Valves and Valve Gears; The Stephenson Valve Gear; The Walschaert Valve Gear; Other Gears - Baker, Southern Locomotive, Joy, Young, Allen Valve Gears, Gooch Stationary Link; Effects of Altering the Valve and Its Events; Locomotive Valve Setting; Summary; Appendix; Index.