Category:Tri-Signal Telegraph Set

Media in category "Tri-Signal Telegraph Set"

The following 2 files are in this category, out of 2 total.

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  Tri-Signal Telegraph Set by Elkay Mfg. Corp., postcard by Tichnor Brothers, c. 1930–1945, from the Digital Commonwealth - 1 commonwealth kp78gk274.jpg 3,279 × 2,055; 10.9 MB
  
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  Tri-Signal Telegraph Set by Elkay Mfg. Corp., postcard by Tichnor Brothers, c. 1930–1945, from the Digital Commonwealth - 2 commonwealth kp78gk274.jpg 3,268 × 2,052; 6.15 MB