Training Manual [2000-].

Training Manual [2000-].

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87 SUBMARINE MINING d. Resetting. a€” By aquot;resetting the relay aquot; is meant tripping the switching relay contact springs so as to open the firing circuit and close the operating circuit in order to start the selectors operating. This is accomplished byanbsp;...

Title:Training Manual [2000-].
Author:United States. War Dept
Publisher: - 1930


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