International Superelectric " Supervised" Secondary Clocks, 1930-1959

The International Superelectric Time System. Two electric movements (secondary clocks) model 561-2 with two 6" dials and two pairs 6" hands, made by International Time Recording Co, 1930-1959. They were used in the workplace to regulate time the monitor hours worked.

Details

Category:
Time Measurement
Object Number:
1959-50
Materials:
wood (unidentified), metal (unknown), plastic (unidentified) and copper (metal)
Measurements:
overall: 220 mm x 270 mm x 100 mm,
type:
time recorder
credit:
IBM United Kingdom Ltd.