Distant-compass
1921-06-01
Miscellaneous
No indication
English
Distant-Reading gyro-magnetic compass
Engineering Index Backfile | 1945
Distant-Reading gyro-magnetic compass
Engineering Index Backfile | 1945
Distant-Reading gyro-magnetic compass
Engineering Index Backfile | 1945
Distant-Reading gyro-magnetic compass
Engineering Index Backfile | 1945
Distant Reading compass takes lag out of headings
Engineering Index Backfile | 1945
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