Admiralty manual of the Sperry gyro compass, 1931 ...
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Format: | Book |
Language: | English |
Published / Created: |
[London] :
Admiralty, Compass Department,
1931.
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Subjects: | |
Notes: | At head of title: B.R. 9. Physical description: viii, 136 p., 43 pl. (20 fold.) : ; 25 cm. more |