THE
STODDART
CONTINUOUS
SEWAGE FILTER
THE BEST FOR
LARGE AND SMALL
SEWAGE WORKS
OVER 500
INSTALLATIONS
AT WORK
F. Wallis Stoddart,
Western Counties Laboratory,
BRISTOL.
Telephone: 1843 AVENUE (3 lines). Telegrams: “KEESH, LONDON.”
FILTERING MATERIAL
FOR
SEWAGE BEDS
FRANK KEEP
9 and 10 St. Mary-at-Hill, E.C.