Illustration depicting the system of signalling by flag semaphore the telegraphy system, which conveys information at a distance by means of visual signals with hand-held flags. Dated 19th Century.
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Details
Creative#:
TOP21176647
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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