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 376
ELECTRIC RAILWAYS PART IV TRACK CONSTRUCTION A railway track consists of steel rails securely attached to cross-ties which in turn are placed in a bed of broken stone, gravel, or con- Ofi WOOD FA V/NG A5F/-/AL TFAV/NG o .r /■ Uli 1 68 ^8 oaAo/7 p/ne; T/r ? \ 1 1 1 1 1 1 T : i 1 { \G/rAA/\S BLOfk-S… … Fig. 221. Plan and Section of Typical City Track Crete. Under the ballast or the bed of concrete is a foundationof solid earth or of large stones. A cross-section of a typical city trackis shown in Fig. 221 and of an interurban track in Fig. 172, p. 195. 331 234 ELECTRIC RAILWAYS h^~^M -^
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
