Category:Telephones in the Museum of Science and Industry (Chicago)

Media in category "Telephones in the Museum of Science and Industry (Chicago)"

The following 4 files are in this category, out of 4 total.

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  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 3,648 × 5,472; 11.31 MB
  
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  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 3,133 × 4,796; 8.42 MB
  
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  Telephone switchboard, c. 1949, Western Electric - Museum of Science and Industry (Chicago) - DSC06823.JPG 3,562 × 5,246; 8.75 MB
  
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  Wall-mounted Type 21 telephone, 1893, Western Electric - Museum of Science and Industry (Chicago) - DSC06820.JPG 3,276 × 5,242; 8.67 MB