
Industrial pH transmitter, model 28, (serial no.28

Industrial pH transmitter, model 28, (serial no.281) for automatic recording and control of pH. E.I.L., Richmond, Surrey, c. 1950
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1984-635/3
- type:
- ph transmittor
- credit:
- Kent Industrial Measurements