Chicago : Engineering and Contracting Pub. Co. · leaf 680
a re-sult not obtained by either chemical or biolog-ical treatment. Owing to oxidization notraces are left of albuminates or nitrogenousbodies, which give so much trouble in theway of secondary putrefaction in spetic treat-ment. Nitrates are changed to nitrites andthe iron and copper compounds…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
