National Museum of American History
Submarine telephone cable sample - Martha's Vineyard to Nantucket
Western Electric · 1916
A non-duplex submarine telephone cable, cut to show construction, mounted on a metal base. Metal plate attached engraved - "Submarine telephone cable / Martha's Vineyard to Nantucket / Laid August 1916 by / New England Telephone and Telegraph Company / Made by / Western Electric Company."
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