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 215
ed rubber strip ready for vulcanizing. Lap the tapeupon the taper ends of the insulation, and make the covering of the samediameter as the rubber insulation on the conductor, winding even andround. Cover the rubber strip with two or three layers of rubber-saturated lead covering-. — 11 the… … Fig. 17. Joints in Waring Cahles. — This cable is covered with cotton,thoroughly impregnated with a composition of hydro-carbon oils applied athigh temperature, the whole being covered with lead to protect the insula-tion. The insulating properties of this covering are very high if the lead iskept…
Electrical engineering
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