Synchronous motor driven timeswitch with clockwork backup

Made:
1974 in England
Synchronous motor driven timeswitch with clockwork backup

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Synchronous motor driven timeswitch with clockwork backup
Science Museum Group
© The Board of Trustees of the Science Museum

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

Details

Category:
Time Measurement
Object Number:
1995-59
Measurements:
overall: 130 mm x 135 mm x 203 mm,
type:
timeswitch
credit:
Horstmann Gear Group Ltd.