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 705
ant the use of same. The operation is similarto that of the graduating mechanism in the Brake Valve,opening about four seconds after the Brake Valve han-dle has been moved to a graduating notch, and closingin about the same length of time after the graduatingvalve has closed. Fig. 287 is an outside… … HS 24 Connection
Locomotives
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