Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 132
Fig. 11. Section of Bolster, Elliptical Springs and Spring Plank spring plank, and elliptical springs in more detail. The springplank hangs from the transom, by links iL, Fig. 11, which allowsa slight swing sidewise. The transom consists of two steel plates,separated by enough space to accommodate… … Fig. 12. Plan of Bolster and Spring Plank Second, the main frame is spring-supported through the coiledsprings CS, Fig. 10, upon the side bars d, which in turn are carriedby the journal boxes. In order to preserve the proper alignment of the journal boxesand truck frame, the latter carries…
Electrical engineering
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