Category:TYK Radio Telephones

Media in category "TYK Radio Telephones"

This category contains only the following file.

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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