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 582
Fig. 230), andthrough port fin the rotaryseat(Sec. 3, Fig.229), through apassage (/), andunder the sup-ply valve to thetop of the dia-phragm piston,then through aport (shown bydotted lines,and marked i%Sec. 2, Fig.230), whichleads off the topof the piston into the trainpipe by way of the mainsupply…
Locomotives
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