Tuning fork for operating a time-marker

maker:
Cambridge Scientific Instrument Company Limited
Tuning fork for operating a time-marker

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Tuning fork for operating a time-marker
Science Museum Group
© The Board of Trustees of the Science Museum

Tuning fork for operating a time-marker, by the Cambridge Instrument Co. Ltd. (No.L - 105235)

Details

Category:
Time Measurement
Object Number:
1979-6
type:
tuning forks
credit:
Collins, P.J.