Original key for the Parriss rolling-ball free pendulum clock

PART OF:: Parriss rolling-ball free pendulum clock, including wooden case, pendulum, ball bearings, electrical connector block and components

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SMG00161186
Science Museum Group
© The Board of Trustees of the Science Museum

Original key for the Parriss rolling-ball free pendulum clock, unsigned

Details

Category:: Time Measurement

Object Number:: 1959-84/6

Materials:: metal (unknown)

type:: electrically-driven free pendulum clock with rolling balln and key - hardware

credit:: Mr. E. G. Parriss

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Original key for the Parriss rolling-ball free pendulum clock

Details

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