G04C11/00—Synchronisation of independently-driven clocks
G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
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Physics & Mathematics
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General Physics & Mathematics
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Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like
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