![](https://coimages.sciencemuseumgroup.org.uk/39/768/large_thumbnail_1963_0142__0004_.jpg)
Pressure and gravity filters; sample of alumina sulphate
![Specimen jar 13 high, containing pressure and gravity filters](https://coimages.sciencemuseumgroup.org.uk/432/83/medium_smg00155466.jpg)
Specimen jar 13" high, containing pressure and gravity filters, sample of alumina sulphate
Details
- Category:
- Water Supply Metering
- Object Number:
- 1931-37
- type:
- specimen jar
- credit:
- William Boby & Co. Ltd.