Quartz crystal clock, 1942.

Made:: 1942 in London, England and Dollis Hill

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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

Measurements:: overall: 650 mm x 470 mm x 170 mm,

type:: quartz clocks, quartz clock equipment and frequency divider units

credit:: (1) General Post Office Research Station, Dollis Hill; (2) BT Museum

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Parts

Post Office Quartz Clock

Quartz clock equipment, mounted on 6-foot 6-inch standard rack, R.3191, made by the General Post Office Research Station, Dollis Hill, London, England, 1940-1947 (see note).