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