Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 88
ply applied.The formula C= ^rj^ may also be written. C=j|^ Where £ is a new constant made up of the old constantsB,L,K, and R; in this form the slide rule may advantageously be used.(B) By knowing the diameter using the formula AL, C= D-B 100 Where 4=Resistance of one mil-foot of copper at 70°F… … Fig. 82. W4550-W4551. Closed. 84
Electric apparatus and appliances · Equipment and supplies
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