Four views showing the radio communications system of the Pasadena Police Department, in 1930. (The system may have communicated with the radio-equipped police car shown in N-005-741 4x5.) View 1: shows a man sitting, transmitting a message. View 2: man wearing a suit is holding the transmitter. View 3: man is standing with a phone to his ear, as his left hand adjusts a knob. View 4: man is wearing headphones and typing.
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