Engraving depicting Charles Wheatstones relay; which enabled the electric telegraph to be used over long distances. Charles Wheatstone (1802-1875) an English scientist and inventor. Dated 19th century 01/02/1890
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Details
Creative#:
TOP29619029
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
Not Available
Property Release:
Not Available
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No
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