International Library of Technology · Scranton, International Textbook Co. · leaf 229
Fig. 16. 11, Cross-Overs.—At the point of intersection of twotrolley lines, a device called a cross-over is used. Fig. 16shows two common forms of cross-overs; {a) is used wherethe two lines cross at right angles, {b) where they cross atan acute angle. Where two lines meet at an angle that isonly…
Electrical engineering
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