Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co. · leaf 174
JerseyShore, Penn., and the following description of it issupplied by the makers, with the exception of a fewminor changes in the text. Valve. The valve, Fig. 78, is similar to the grid-iron valve, it having two faces; one face operates onthe valve seat proper (on the cylinder) and the otherface… … Figure 78 PISTON VALVES AND BALANCED VALVES 173 valve operates, being an exact duplicate of the cylin-der valve seat and set in alignment therewith, what-ever conditionsexist on one facebf the valve mustalso exist on theDther face. Theavails of the valveare provided withborts, which passfrom face…
Locomotives
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