Photograph of a new Anschutz gyrostatic compass, February 1912. This type of compass was expected to significantly outperform previous compasses in its ability to give a consistantly strong true North reading.
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Details
Creative#:
TOP23729372
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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