An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 477
d several feet indiameter which are covered at the streetsurface by cast-iron covers. When a conduit with its manholes iscompleted, the cables are drawn into theducts, one section at a time. The sec-tions of each cable must be joined to-gether in the manholes. To do this, theconductors are first… … Fig. 301. — End viewof conduit containingtwelve ducts. POWER STATIONS AND DISTRIBUTION OF POWER 425 is soldered at both ends to the lead covering by a plumbers wiped joint. This makes the joint moisture-proof if thework is properly done. Making cable joints requires thegreatest care in order to…
Electricity · Magnetism
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
