Mariner's gyro-navigation manual

Mariner's gyro-navigation manual

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for masters, mates, marine engineers and potential shipa#39;s officers Walter J. Oa#39; Hara ... The shipa#39;s D-C supply is reduced from normal of about 115- Volts to 70- Volts for the D-C service supply, by one of several devices available. In order toanbsp;...

Title:Mariner's gyro-navigation manual
Author:Walter J. O'Hara
Publisher: - 1951


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