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 272
at or very near the places where they will be when … Fig. 119. Steel Service Box and Feeder Pipes the building is done. In laying out such work little regard need bepaid to having pipes run straight or parallel to each other so long asthey are so shaped at bends and otherwise disposed as to make iteasy to draw in the wires. The chief considerations…
Electrical engineering
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