Details
A lacquered-brass gimbal-mounted demonstration gyroscope,
unsigned, with steel axis, the outer loop -- 4¼in. (10.8cm.) dia., mounted on an iron stand -- 9½in. (24.1cm.) high
See Illustration
unsigned, with steel axis, the outer loop -- 4¼in. (10.8cm.) dia., mounted on an iron stand -- 9½in. (24.1cm.) high
See Illustration