"Westminster" type MSP vacuum tube detector (high voltage indicator for showing whether a transmission line is live) patent no. 519919 made by The Westminster Eng. Co. Ltd., London, NW10., for use up to 11,000 volts, marked 2405/34, probable date 1934.
Details
- Category:
- Electricity Supply
- Object Number:
- 1999-820
- Materials:
- mixed
- Measurements:
-
overall: 1020 x 100 mm
- type:
- high-voltage indicator
- credit:
- Unknown source
