Clockwork timer for operating an external lever (to control gas or electricity supply), marked `Patent 23161/09 extended', unsigned but made by Horstmann, with key (of later make)
Details
- Category:
- Time Measurement
- Object Number:
- 1995-62
- Measurements:
-
overall: 92 mm x 95 mm
- type:
- timer
- credit:
- Horstmann Gear Group Ltd.