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Representative sample of the equipment used for maintaining the Greenwich Time Service from about 1965 to 1990 comprising six racks of electronic equipment, two end doors, five rear doors, three covers, printer and sign.

Equipment used for maintaining the Greenwich Time Service, 1965.

1965-1970
Four mounted photographs showing quartz oscillators and their ovens

Photographs showing quartz oscillators and ovens

1952
Four mounted photographs showing tape chronograph, beat counters, calculating machine and beat counter records

Photographs showing tape chronograph, beat counters, calculating machine and beat counter records

1952
Three mounted photographs showing the transit telescope, tape chronograph and computing room

Photographs showing the transit telescope, tape chronograph and computing room

1952
Mounted photograph showing the control room

Photograph showing control room

1952
Three mounted photographs showing phonic motor, signal forming unit and send relay units

Photographs showing phonic motor, signal forming unit and send relay unit

1952
Three mounted photographs showing receiving set, phonic motor and decimal counter

Photographs showing receiving set, phonic motor and decimal counter

1952