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American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 447

An illustration from American telephone practice, 1905, leaf 447
uded in the talking circuit where moderninstruments are used, on account of the fact that every generatoris provided with an automatic shunt, which, as has already beenshown, affords a path of practically no resistance about the gener-ator armature at all times except when the generator is in… … no BRIDGING METALLIC PARTY-LINE CIRCUIT. ing is concerned, but even half that number would give intolerabletalking service. Another objection to the series party line is that even where me-tallic circuits are used it is practically impossible to properly balancethe line with regard to inductive…

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