Wikimedi'Òc

T.Y.K. Radio-Telephone, c. 1915, Annaka Electrical Works, Tokyo, made by inventors Torikata, Yokoyama, and Kitamura - Museum of Science and Industry (Chicago) - DSC06630.JPG - Daderot

Deep Sea Diving Batteryless Telephone Equipment for underwater communication, manufactured by Batteryless Telephone Equipment Co., Inc., Pittsburgh, PA - Museum of Science and Industry (Chicago) - DSC06817.JPG - Daderot

Telephone switchboard, c. 1949, Western Electric - Museum of Science and Industry (Chicago) - DSC06823.JPG - Daderot

Wall-mounted Type 21 telephone, 1893, Western Electric - Museum of Science and Industry (Chicago) - DSC06820.JPG - Daderot