A Comparative Study of Imhoff Tanks 
367 
THE ENGINEERING RECORD 
The Disposal of Sewage at Paterson, N. J,, Allen Hazen, August 11, 1906. 
Sewage Works, North Attleborough, Mass. 
New Method for Sewage Sludge, Karl Imhoff, December 10, 1910. 
Sewage Disposal in Europe, Rudolph Hering, December 17, 1910. 
Atlanta, Ga., Works, December 31, 1910. 
Principles of Sewage Disposal, George C. Whipple, January 7, 1911. 
Spring Garden Testing Station, May 13, 1911. 
Pennypack Creek Works, Philadelphia, January 14, 1911. 
Imhoff Tanks at Winters, Cal., September 23, 1911. 
Madison-Chatham Disposal Works, January 28, 1912, 
Imhoff Tanks at Holzwickede, Germany, Chas. Saville, January 20, 1912. 
Imhoff Tanks at Winchester, Ky., March 2, 1912. 
ENGINEERING NEWS 
hnpressions of German Sewage Disposal, H. N. Ogden, October 13, 1910. 
German Sanitary District and the Imhoff Tank. 
Sewage Purification Tank, Rudolph Hering, December 1, 1910, 
Report of Philadelphia Experiments, April 27, 1911. 
Comparison of Philadelphia and German Experiments with Dnhoff Tank, Charles 
Saville, June 1, 1911. 
Sanitary District of Chicago, November 30, 1911. 
Sewage Clarification in Germany, Emil Kuichling, December 28, 1911. 
Proctor's Creek Plant, Atlanta, Ga., W. A. Hansell, Jr., March 14, 1912, 
Digestion of Sewage Sludge, Charles Saville, May 30, 1912. 
MUNICIPAL JOURNAL AND ENGINEER 
Disposal Works at Bordentown, N. J., E. G. Kastenhuber, Jr., March 29, 1911. 
Emscher Tanks for Erie, Pa., February 15, 1911. 
Chicago Experiment Station, October 4, 1911. 
Tank Treatment of Sewage, January 5, 1910. 
ENGINEERING — CONTRACTING 
Philadelphia Experiments, April 19, 1911, Complete Report. 
Results of Philadelphia Tests, April 26, 1911. 
Reading, Pa., Works Report, July 5, 1911. 
Operating Results of Works of Emscher genossenschaft, Spillner and Blunk, 
November 1, 1911. 
Tanks at Chamhershurg, Pa., November 15, 1911, 
Plant at Winchester, Ky., February 14, 1912. 
MUNICIPAL ENGINEERING 
Sewage Disposal with Respect to Odors, George W. Fuller, August, 1911. 
European Practice in Sewage Purification, R. L. Sackett, January, 1912. 
