Electrolytic maximum demand indicator scaled 0 to 10 amperes, by Reason Manufacturing Co Ltd., serial no 512744. Patent number 431807.
Details
- Category:
- Electricity Supply
- Object Number:
- 1970-38
- Materials:
- metal, painted metal, glass and unknown liquid
- Measurements:
-
overall: 302 mm x 95 mm x 60 mm, ,
- credit:
- Borough Polytechnic
