NATURAL & ARTIFICIALSEWAGE TREATMENTBYLIEUT.-COL. ALFRED S. JONES,V.C.ASSOC. M. INST. C.E., FELLOW AND MEMBER OF COUNCILOF THE SANITARY INSTITUTE, ETC.ANDH. ALFRED ROECHLINGM. INST. C.E., F.G.S., FELLOW OF THE SANITARY INSTITUTE, ETC.Illustration: printer's logoLondonE. & F. N. SPON, Ltd., 125 STRANDNew YorkSPON & CHAMBERLAIN, 123 LIBERTY STREET1902
NATURAL & ARTIFICIAL
BY
ASSOC. M. INST. C.E., FELLOW AND MEMBER OF COUNCILOF THE SANITARY INSTITUTE, ETC.
AND
H. ALFRED ROECHLING
M. INST. C.E., F.G.S., FELLOW OF THE SANITARY INSTITUTE, ETC.
Illustration: printer's logo
London
E. & F. N. SPON, Ltd., 125 STRAND
New York
SPON & CHAMBERLAIN, 123 LIBERTY STREET
1902