Quartz crystal clock, 1942.

Quartz crystal clock, 1942.

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

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
Materials:
steel (metal), glass and plastic (unidentified)
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

Parts

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).

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).

Measurements:
overall: 2000 mm x 460 mm x 340 mm, 289.5 kg
Materials:
steel (metal) , glass , plastic (unidentified) and electrical components
Object Number:
1947-310 Pt1
type:
clock and quartz clock
Box of accessories for quartz clock equipment, mounted on 6'6" standard rack, R.3191

Box of accessories for quartz clock equipment

Box of accessories for quartz clock equipment, mounted on 6'6" standard rack, R.3191

Object Number:
1947-310 Pt2
type:
accessories
Spare quartz clock frequency divider unit

Spare quartz clock frequency divider unit

Spare frequency divider unit for quartz clock equipment, mounted on 6'6" standard rack, R.3191

Object Number:
1947-310 Pt3
type:
clock frequency divider
Image ©
The Board of Trustees of the Science Museum