Photo Archive

In this photo, dated December 15, 1936, A. H. Saxton, NBC Western Division Engineer, explains the workings of one of the KPO transmitter tubes to Alice Tyler of the NBC Plant Department. The water-cooled final [...]

NBC Radio, San Francisco Engineers Checking the Final Wiring, Just Before the Opening of Radio City Circa 1942.

KPO’s 50 KW transmitter, model RT-152-G, was custom-built by General Electric on contract to N.B.C. The contract also included the construction of the transmitter building, cooling pond and antenna system. The driver section of the [...]

The KPO transmitter building was built under contract to NBC by General Electric in 1932, along with the transmitter itself. First Floor: In the main room were located the filament and bias motor generator sets, their [...]

Another view of the NBC remote broadcast truck shows NBC’s West Coast Music Director, Max Dolin, conducting a broadcast, early 1930s.

This photo shows Master Control at NBC in San Francisco, used from 1927 to 1942. At the extreme left is the Morse code operator’s position, where the NBC Pacific Division communicated with New York, Chicago [...]

This room in the Radio City building was the center for all program recordings. Six transcription lathes were used to make recordings on 16-inch 33-1/3 R.P.M. acetate disks, fifteen minutes to a side. The four [...]

While NBC maintained a strict policy of “No Recordings” throughout the 1930s and ’40s, the recording room still saw lots of activity. Some programs originating in New York or Chicago were recorded here to “time [...]