This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseIBM Watchman's control clock, model 3750 no.28152, 1930-1959
Science Museum Group
© The Board of Trustees of the Science Museum
IBM Watchman's control clock, model 3750 no.28152, 1930-1959. It was used to monitor the patrol of night-watchmen. By inserting a key into the key station clock, the time was recorded and safe from tampering.
Details
- Category:
- Time Measurement
- Object Number:
- 1959-52
- Materials:
- paper (fibre product), leather and steel (metal)
- Measurements:
-
overall: 190 mm x 200 mm x 140 mm,
- type:
- time recorder
- credit:
- IBM United Kingdom Ltd.
