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 377
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 -^ … The rail lengths are joined together by some form of joint andwhere tracks cross or branch, special work is put in. Special workis a term applied, therefore, to crossings, switches, turnouts, etc. RAILS Common T Rail. The T rail used by steam railroads is knownas the A. S. C. E. standard T rail,…
Electrical engineering
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