Category:Videophones in the 1920s
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Media in category "Videophones in the 1920s"
The following 2 files are in this category, out of 2 total.
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Bell Labs videophone prototype (1927), front view, MoMI.jpg 2,588 × 3,888; 4.8 MB
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Bell Labs videophone prototype (1927), side view, MoMI.jpg 3,239 × 2,041; 3.36 MB