Inside Out Library
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 332
kVan Wert Lima i^Jt Kenton St.Marya 3 & ^Delaware .S^* JSS • Piqua ichmond ■>ja i TroySMjd Springfield 51.:> Mi. Washington C.H. IA? ,«» ,• Newark Cambridge Dayton 5£ Reynoldsburg 01-5 511. ZanesviUejCanal Winchester // V1 Lancaster KENTUCKY … Circleville Chillicothe 1 Logan ; Reference C^Auto Exchange # U. S. Stations Calling Into AutoExchanges Franklin Co. Stations Calling Into)Auto ExchangesAuto Calling between AutoExchanges Xote -All Exchanges Calling Columbia DirectSwitch through Columbus AutomaticallyScale ol Miles0 0 10 15 Fig.…Telephone
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
More pictures from Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems
More like this
