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 223
station answers. Pay Station for Long Distance and Local Service.—It is the generalpractice to install in hotel lobbies and other places, from which a con-siderable number of long-distance calls may be expected to emanate,common battery manual telephones equipped with coin collectorsarranged with… … Fig. 1S2.—Three-slot eoin box telephone. telephones are connected to the long-distance board and are handled bythe operators of that board. Connections to long-distance lines orother pay-station lines are put up manually and connections from pay-station lines to subscribers automatic stations are…
Telephone
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