Model illustrating super chlorination and dechlorination by chlorine and sulphur dioxide
Model illustrating super chlorination and dechlorination by chlorine and sulphur dioxide ( Wallace and Tiernan pattern, 1921) erected by United Water Softeners Ltd.
Details
- Category:
- Water Supply Metering
- Object Number:
- 1935-304
- type:
- model
- credit:
- Metropolitan Water Board