A late 19th-Century gyroscopic demonstration apparatus,
A late 19th-Century gyroscopic demonstration apparatus,

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A late 19th-Century gyroscopic demonstration apparatus,
unsigned, possibly by Max Kohl, the lacquered-brass gyro with steel arm and compensating weight, mounted on a tapering pillar support and gilt decorated black-enamelled iron stand, the gyro and arm -- 17in. (44cm.) long

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