2 private branch exchanges: Commercial, residence, hotel, and apartment house a Message rates (contracts are not accepted for periods of less than 3 years. No. 2 business ... The rate quoted for receiving stations includes switching devices for all stations)a Trunk lines, both-way, each $36. 00 Trunk ... 00 If both inside wiring and drop wiring are in place, but it is necessary to furnish an instrument 3.
|Title||:||Telephones and telegraphs and municipal electric fire-alarm and police patrol signaling systems|
|Author||:||United States. Bureau of the Census, William Mott Steuart, John W. Curry, William A. Countryman|