GB536031A
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Anti-heeling device for ships, airships and the like
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US2202162A
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Antirolling stabilization of ships
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GB408796A
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Improvements in anti-rolling tank systems for ships and other craft
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US2017072A
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Stabilizing apparatus
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US1853069A
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Stabilizing apparatus
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US1988458A
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Electrical controlling system
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GB368281A
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Improvements in stabilizing apparatus for ships and aircraft
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US1840911A
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Induction compass
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US1703317A
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Automatic steering device
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US1703280A
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Directional stabilizer
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GB137060A
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Improvements in or relating to angular velocity indicating apparatus
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US1372184A
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Angular-velocity-indicating apparatus
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US1436280A
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Automatic steering device
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