Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & co · leaf 283
ome kind of clay, concrete or fiber, andtheir heat conductivity is generally not as good as 264 ELECTRICAL TABLES AND DATA that of moist earth. Conduits arranged as shown inFigure 32 carry away more heat than those shownat Figure 33, but if there are many of them they alsorequire more trench area.… … The following tables and information is taken fromHandbook No. 17 of the Standard UndergroundCable Co. (Copyright by Standard UndergroundCable Co., 1906). Recommended Current Carrying Capacities forCables, and Watts Lost per Foot, for each of fourequally loaded single conductor paper insulated…
Electrical engineering
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