Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems (1921)
Smith, Arthur Bessey, b. 1875, Campbell, Wilson Lee · New York : McGraw-Hill · leaf 216
ster, neither does it short-circuit its inside winding.This winding, however, is of very low resistance and while its impedanceis almost negligible, it may be reduced almost to nil by shunting it with acondenser, a non-inductive resistance coil or, better and simpler still,by placing a thin pure… … Open Main(-Battery) Fig. 176.—Circuit of lineswitch with meter. banks of a group of connectors which do not reverse the direction of cur-rent flow in the calling partys loop when the called party responds. It isreadily apparent that these connectors would be the same as those shownin the diagram…
Telephone
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