About this objectTwo khaki painted metal rectangular radio receivers, with black coloured metal mouth and ear pieces. Both radio receivers have a black and silver rectangular metal label screwed to the body between the mouth and ear pieces, "SIGNAL CORPS U.S. ARMY / RADIO RECEIVER AND / TRANSMITTER B.C. - 611 - C / ORDER NO. 26827 - PHILA - 44 - 01 / MADE BY / ELECTRICAL RESEARCH LABORATORIES INC / EVANSTON, ILLINOIS". Both transmitters have a canvas carry strap with metal buckle on the long side.