Report on the Mechanical Filtration of the Public Water Supply of Lorain. Gives the results of a five-weeks test of the Jewell mechanical filters at Lorain, treating Lake Erie water.
Kemna. The Biology of Sand Filtration. Read before the annual convention of the British Association of Water Works Engineers. Abstract in Engineering News, XLI., p. 419.
Describing organisms which develop in open sand filters, both animal and vegetable, and their effects upon the process. A quite full account of the author’s extended experience, and the only paper treating this subject.
Magar. Journal für Gasbeleuchtung und Wasserversorgung, 1897, p. 4.
Reinigungsbetrieb der offener Sandfilter des Hamburger Filterwerkes in Frostzeiten. A new method of cleaning open filters in winter without the removal of the ice.
Panwitz. Arbeiten aus dem Kaiserlichen Gesundheitsamte, XIV., p. 153.
Die Filtration von Oberflächenwasser in den deutschen Wasserwerken während der Jahre 1894 bis 1896.
A description of the filtration works in Germany, and the results obtained from them, particularly from the point of view of bacterial efficiency. Results are graphically shown by a series of charts.
Reynard. Le Génie Civil, 1896, XXVIII., p. 321.
Purification of water with the aid of metallic iron. Describing the works of the Compagnie Général des Eaux for supplying the suburbs of Paris with filtered water, the capacity of the works being over 23,000,000 gallons daily.