Technical illustrations of a variety of items of 19th century electric telegraph equipment. Illustrations include posts, wires and insulators, submarine cables; various telegraph machines and a Morse Sounder.
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Details
Creative#:
TOP07425345
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
Right to Privacy:
No
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