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The design and test of a new type of telephone repeating coil (1915)
Turner, Hubert Michael · leaf 36
LUrfOIS 14 … Fig, 6, 15 Log 1 = log 97.5 - 9 log 10 + 5/5 log 10000 - Zjo lor, .0= 1.9661 - 9.0000 + 6.GG67 - 1,0210= 0. 65c>8L = 4.5 henries. Log R = log 10.6 - 6 lor 10 + log 10000 - Z log 0.032= 1.0334 - 6.0000 + 4.0000 - 5.0105= .2.0-51 B = 105 ohms (this chechs with the value in tables). Log (L/R) = log…Telephone · Electric coils · Theses
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