No. C H 212.
“The only Form of Domestic Filter which the Profession can recommend.”—The Hospital.
TRAVELLING FILTERS.
J. DEFRIES & SONS.
No. C H 213.
Diagram showing action of
Nos. C H 212 and 213.
| Material of Case | Pints per Hour. | Price. | |||
|---|---|---|---|---|---|
| No. C H | 212 Japanned Tin | 6 | £0 18 6 | ||
| ,, | 212a Electro-plated | 6 | 4 15 6 | ||
| ,, | 213 Japanned Tin | 18 | 1 18 0 | ||
| ,, | 213a Electro-plated | 18 | 6 12 6 | ||