Telecommunications sites and equipment photographs series contains black and white and color photographs and postcards. Postcards depict sites from the Japan Wireless Telegraph Company, the Oyama International Telecommunications Center, the ship KDD Maru, and KDD facilities, equipment, and satellite communications center. Photographs depict early twentieth century telecommunications equipment and mid-twentieth century Japanese equipment and staff. Other images depict RCA Communications sites and equipment in the United States, including New York City; Rocky Point, New York; Point Reyes, California; Bolinas, California; San Francisco, California; and the Pulantat earth station, Guam. Images also highlight RCA telecommunications systems equipment including the AUTOMEX-II, CT-10 Telesystem, and SATCOM system. Finally, the series includes several examples of RCA photoradiograms, blank radiogram envelopes, and a 1951 map showing international telegraph and telephone networks.