Johnson & Phillips millivoltmeter No. 146768
Johnson & Phillips millivoltmeter No. 146768, range 0-1 volt
Details
- Category:
- Electricity and Magnetism
- Object Number:
- 1962-245
- type:
- voltmeter
- credit:
- City and Guilds College
Johnson & Phillips millivoltmeter No. 146768, range 0-1 volt