General view of the radio service shop. Privates P.E. Daniels and John Nally are working at the bench, 10/38

Chief of Signal Corp. tests new public address system. Washington, D.C., June 27. A new high powered public address system recently procured by the Signal Corps of the Army was tested today by the Chief Signal officer Major Gen. Manufactured in accordance with specifications prepared in the office

Engineers prepare for black broadcast. Washington, D.C., Oct. 1. A real fireside chat will be the address of Justice Hugo L. Black to the nation tonight over a coast-to-coast hookup from the home of Claude E. Hamilton in the capital. Radio engineers Jerry Hurlbut and Stanford H. Rose are shown testi

Police radio station in Washington, D.C., 10/38

U.S. Chief Signal Officer (G.S.Gibbs?) inspects new radio equipment for talking to Aviators in flight. The new aircraft-radio equipment designed by both the Signal Corps of the War Department permits of both radiotelephone and radiotelegraph communication, sending, receiving, at the same time. The a

Sound effects at "Cavalcade of Labor" Broadcast, 4/27/38. Cavalcade of Labor Broadcast *Abstract/medium:; 4 x 5 in. or smaller

Alexander Friedberg, radio operator. He puts the dispatcher on the air for calls and is responsible for keeping the equipment in order, 10/38

Army demonstration of new telephone and teletype systems. Washington, D.C., Feb. 25. Utilizing two recent developments in electrical communication. the Army today demonstrated its ability to communicate instantaneously between its Washington Headquarters and its various units in different parts of t

Cpl. A.V. Sevinski, 301st Sig. Colorado., Bolling field, Wash., D.C., who makes his home at Dickson, Penn. is seated at the radio telephone receiver