Quartz crystal clock, 1942.

Made:
Dollis Hill, London and England

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Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Quartz clock equipment, mounted on 6'6" standard rack, R.3191, with box of accessories and spare frequency divider unit

Quartz clock equipment, mounted on 6'6" standard rack, R3191, with box of accessories and spare frequency divider unit.

Details

Category:
Time Measurement
Object Number:
1947-310
type:
quartz clocks
credit:
(1) General Post Office Research Station, Dollis Hill; (2) BT Museum