Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 400
w … 314 LOCOMOTIVE ENGINEERING apon two flat annular seats Y V and WW on the sameplane, and is held down against the pressure of steamby the steel spiral spring S. The tension of this springis obtained by screwing down the threaded bolt L at thetop of the cylinder K. The area contained betweenthe seats…
Locomotives
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