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US3597983A
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Gyroscope damping mechanism
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US3491530A
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Watch balance wheel
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US3491531A
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Impulse means for a horological oscillator
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US3499281A
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Watch crown
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US3487633A
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Dial train friction device
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US3492808A
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Watch construction with spacer block as assembly aid
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US3483693A
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Adjustable horological balance bridge
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US3487630A
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Balance mechanism for an electronic watch
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US3491429A
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Method of construction of a rate gyroscope
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US3466934A
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Gyroscope and its method of manufacture
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US3499278A
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Electromagnetic drive for a horological instrument
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US3448575A
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Solar cell recharging means for a battery operated watch
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US3425283A
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Rate gyroscope
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