Edgar E. Salisbury Electric Call Box patent 12/25/1900

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Edgar E. Salisbury Electric Call Box patent 12/25/1900

Patented by Edgar Salisbury in 1900 and assigned to the National Autophone Company of Chicago, IL
The Autophone Company manufactured this call box for District Telegraph & Telephone Co., American District Telegraph Company and other telegraph companies.

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Edgar E Salibury Electric Call BoxDownload