The purification of public water supplies
Subtitle: a comparison in methods, cost and results
By: by James Howard Bridge.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 71859
Publisher: Canadian Engineer
Published: 1994
Place of publication: Toronto
Language: eng
Format: Microform
Number of pages: 26
Subjects: Water -- Purification -- Ozonization.; Water-supply engineering.
Notes: Cover title.

Tables.

Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1994.