Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 180
description of it issupplied by the makers, with the exception of a fewm.inor changes in the text. Valve. The valve. Fig. j%, is similar to the grid-iron valve, it having two faces; one face operates onthe valve seat proper (on the cylinder) and the otherface operates against the face of the… … Figure 78 valve operates, being an exact duplicate of the cylin-der valve seat and set in alignment therewith, what-ever conditionsexist on one faceof the valve mustalso exist on theother face. Thewalls of the valveare provided withports, which passfrom face to face of the valve. These ports are…
Locomotives
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