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Connecticut Telegraph & Electric Company
United States, Connecticut, Meriden
Radio (Telecommunication system)
Not on exhibit to the public.
From the Collections of The Henry Ford.
Height: 3.25 in
Width: 6 in
Length: 6.25 in
Sodion Detector Type D-1
Patented July 13, 1920
Made in U.S.A. by
Connecticut Telephone & Electric Company
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