Henry and Hora's modern electricity; a practical working encyclopedia (1915)
Henry, James. [from old catalog], Hora, Karel Jan, 1881- [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 344
, ^^ ^^ ^^ ^^ = 58,870 pounds of copper. 194,000,000,000,000 FK and taking $0.35 as price of one pound of copper, the cost ofcopper is 58,870 X $0 35 = $20e604 50. * Tins constant is suitable only for alternating current of 40 cycles ; powerfactor being 80, and wires No. 2-18 inches apart.… … Fig. 157. The power is transmitted by three wires to secondary coilsof transformers, Bx> B2i B3> The distance from generator totransformers is 1,000 feet. The secondary current feeds twotwenty H. P. induction motors ; the distance from thesemotors to transformers is 300 feet ; 1500 lamps, E,…
Electrical engineering
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