Synchronous motor driven timeswitch with clockwork backup, for domestic use, type VA Mk 9D SRS2, maker's no.HJI9772, contacts rated 250V 100A, UK patent no.824687, by the Horstmann Gear Co. Ltd., Bath, England, also marked `Property of SEEB', dated 9/74 on adhesive label, with day-of-week dial and mechanism for preventing operation on any day or night
- Time Measurement
- Object Number:
- Horstmann Gear Group Ltd.
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