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 511
HOSE AND COUPLING AIR STRAINER TRAIN PIPE … Fig. 3,668.—Diagram of automatic air brake system. This arrangement is very similar tothat used on steam railway trains and is adopted for use on electric railway trains corrv-posed of more than two cars. It differs from the straight air brake in that the com-pressed air instead of passing directly…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
