The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 438
ot travel along it properly, but if this weight be sub-divided, and the parts distributed at equal distances alongthe cord, as in (4), the cord will vibrate like a heavier cord,and waves will be transmitted with but little attenuation. The weights are the equivalent of inductance; the frictionof… … Fig. 403.—Effect of Loading on Vibrating Cord between the lowest and the highest important frequency ofabout 1500 per second, as shown by Cohen and Shepherd intheir paper read before the I.E.E. on 9th May 1907. It hasalso been found in practice that the attenuation determined byactual speech tests…
Telephone
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