Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 547
FlG. 92. Drainage at Manhole of Conduit, Metropolitan Railroad,Washington, 1895. … PLAN OF CLIP Fig. 93. Clip and Ear for Conduit. Metropolitan Railroad, Washington,1895. rails at such points as may be determined as necessary. All the insulatedconductors should be of the highest class ; may be insulated with rubber orpaper, but should in any case be covered with lead. Especial…
Electrical engineering
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