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 701
or duplex regulat- 648 LOCOMOTIVE ENGINEERING ing portion, as soon as the pressure in the brake pipeis great enough to overcome the resistance of the springPG 10 which is holding the diaphragm PG 13 seated overport B, the pressure will pass through passage E toconnection D, and by piping to the… … Fig. 283. As soon as the pressure falls in the brake pipe belowthe adjustment of spring PG 10, the latter will forcediaphragm PG 13 to its seat, closing off port B, where-upon pressure in passage E, and piping connectingsupply and regulating portions, and space E above pis-ton PG 4 will immediately…
Locomotives
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