Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 512
IC RAILWAYS 2,603 In the automatic air brake system the air from the reservoir isadmitted to auxiliary reservoirs which are connected to the brakecylinder by means of special devices called the triple valve.11 The straight air brake system is adopted to single cars or short trainscomposed of motor… … Figs. 3,669 and 3,670.—Elevation and inverted plan of storage air brake equipment as in-stalled on car. Pig. 3,668.—Description continued. settng and releasing the brakes. When the motorman moves the valve handle to the positionfor setting the brakes, the action of the valve cuts the communication…
Electrical engineering
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