text: Phones of War at Work, 9/15/1942. Arlington, VA.—View of a section of the switch-board at the telephone exchange in the War Department’s new office building here, just across the Potomac from Washington. In this building and others it occupies in the District of Columbia, the War Department has four times the telephone facilities it used in the First World War—An exchange large enough to serve a city the size of Erie, PA. 9/15/42 (ACME);