Example of the free pendulum clock by Capt.E.E. Cr

Example of the free pendulum clock by Capt.E.E. Craig, maintained by rolling balls. With glass dome (cracked), miscellaneous components and circular brass cover plate

Details

Category:
Time Measurement
Object Number:
1946-193
Materials:
balls: steel, circular cover plate: brass, dome: glass, right-hand switch: mercury
type:
electrically-driven free pendulum clock with rolling balls
credit:
Captain E. E. Craig
status:
Permanent collection

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