The design and test of a new type of telephone repeating coil (1915)
Turner, Hubert Michael · leaf 54
s evident thatthis increase is cue to iron losses. It was suspected that anappreciable .part of this loss was due to hysteresis and for thisreason comparative tests were made on a number of ceils of dif-ferent makefl and with different amounts of iron. Ihe ballistic galvanometer, or step by step,… … obtained with the method used. In the case of the .V. B. 25-A it was possible to obtain onlyfour pointer the positive.and negative maximum and the residual in the two directions. For the Stromberg-Carleon coil testsixteen points were obtained. B E I (milli-amp.) Deflections 30 149 0.91 X 0 .00…
Telephone · Electric coils · Theses
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