The filtration of public water-supplies / Third edition, revised and enlarged.

by Allen Hazen

A short description of the filters at St. Petersburg, and a comparison with those at Warsaw.

Sturmhöfel. Zeitschrift f. Bauwesen, 1880, p. 34.

A description of the Magdeburg filters, with plans.

Tomlinson. American Water-works Association, 1888.

A paper on filters at Bombay and elsewhere.

Turner. Proc. Inst. Civil Engineers, 1890, c. p. 285.

Filters at Yokohama.

Van der Tak. Tijdschrift van de Maatschapping van Bouwkunde, 1875(?).

A description (in Dutch) of the Rotterdam water-works, including the wooden drains which caused the trouble with crenothrix, and which have since been removed. Diagrams.

Van Ijsselsteyn. Tijdschrift van het Koninklijk Instituut van Ingenieurs, 1892-5, p. 173.