A ceramic water filter decorated with a mottled design and Greek Key pattern bands. Marked 'THE SILICATED CARBON PURIFYING FILTER DAHLKE'S PATENT' 'BATTERSEA LONDON SW'.
Given by Philip Yorke III (1905-1978) along with the estate, house and contents to the National Trust in 1973.
Marks and inscriptions
On top of lid (broken): SILICATED CARBON FILTER COMPANY / [ Royal Coat of Arms] / DAHLKE'S PATENT / WORKS / BATTERSEA,LONDON,S.W. Underside of lid: DIRECTIONS FOR USE / When the Filter begins to / clog take a piece of hard stone / pumice or other, & rub with it the / surface of the filtering medium / then rince the latter with clean / water,& blow into the taphole / shutting at the same time / the airhole on the top