Produced by Chris Curnow, Brian Wilcox and the Online
Distributed Proofreading Team at http://www.pgdp.net (This
file was produced from images generously made available
by The Internet Archive)
Transcriber’s Notes:
Underscores “_” before and after a word or phrase indicate _italics_ in
the original text.
A single underscore indicates a subscript.
Equal signs “=” before and after a word or phrase indicate =bold= in
the original text.
Carat symbol “^” designates a superscript.
Small capitals have been converted to SOLID capitals.
Old or antiquated spellings have been preserved.
Typographical errors have been silently corrected but other variations
in spelling and punctuation remain unaltered. The two advertisements at
the beginning of the book have been moved to the advertisement section
at the end.
SEWAGE DISPOSAL WORKS
_THEIR_
_DESIGN AND CONSTRUCTION_