Ball bearings for the Parriss rolling-ball free pendulum clock

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Ball bearings for the Parriss rolling-ball free pendulum clock
Science Museum Group
© The Board of Trustees of the Science Museum

Ball bearings for the Parriss rolling-ball free pendulum clock, by E. G. Parriss, Nuneaton, England, 1944-1947

Details

Category:
Time Measurement
Object Number:
1959-84/4
type:
clock
credit:
Mr. E. G. Parriss