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

by Allen Hazen

Operation of the Altona filters, with analyses.

—— Vierteljahresschrift für Gesundheitspflege, 1881, p. 92.

The water-works of the city of Altona.

—— Journal für Gas- und Wasserversorgung, 1887, p. 522.

An article opposing the use of rapid filters (David’s process).

—— Journal für Gas- und Wasserversorgung, 1890, p. 531.

A criticism of Fränkel and Piefke’s results, with some statistics of German and English filters. (The English results are taken without credit from Kirkwood.)

—— Vierteljahresschrift für Gesundheitspflege, 1891, p. 87.

Discussion of papers on filtration, with some statistics.

—— Vierteljahresschrift für Gesundheitspflege, 1892, p. 385.