A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
April 22 1920 n 17 p 796-798: Instructions in regard to planning dead-ends and suspensions so as to reduce maintenance charges. April 29 1920 n 18 p 844-848, 23 figs: Standard section insulators, anchors, protection boards, methods of hanging curves and placing frogs, and wire splices.
April 22 1920 n 17 p 796-798: Instructions in regard to planning dead-ends and suspensions so as to reduce maintenance charges. April 29 1920 n 18 p 844-848, 23 figs: Standard section insulators, anchors, protection boards, methods of hanging curves and placing frogs, and wire splices.
Correct method of trolley-wiring mines
Coal Age
Beddow, M.W. (author)
Coal Age ; 17
1920
Article (Journal)
English
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