Twelfth Naval District Radio Headquarters Collection
Collection Photo #NHF-099.01: Ships Table, Marine Receiving, in the Control Station at the Twelfth Naval District Radio Headquarters, San Francisco, California, circa 1927
Approximately 50 photos, negatives, and cyanotypes (plus duplicates) showing the Radio Headquarters of the Twelfth Naval District, 100 Harrison Street, San Francisco, California, circa 1926-1927. Shown are: control stations, transmitters, generators, amplifiers, receivers, antenna system, distribution panel, high speed recorder, work shop, batteries, Bellevue experimental receiver, compass tracking section. Some prints and negatives were made from acetate negatives which were subsequently destroyed.