E. F. Johnson Company Product in the Field. Automobile CB Radio Installation. 9 1/4" x 7 1/2" black and white photograph of a man sitting in the driver's seat of an automobile, a car, showing the installation of an E. F. Johnson Co. CB radio; passenger door is open to show the radio mounted under the dashboard; the man is talking into the microphone; photograph shows crop marks and percentage for use in print reproduction.