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SA Supplements Vol 39 Issue 1017supp

SA Supplements

Volume 39, Issue 1017supp

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Features

The Chicago Drainage Canal

The Effects of the Canal on the Commerce of the Lakes

The Old and the New

Robert Allison

Rustless Coatings for Iron and Steel

Paints: of What Composed, How Destroyed, Classification As True Pigments and Inert Substances, Adulterants, Etc

M. P. Wood

The Production of Diastase and of an Alcoholic Ferment from Fungi

Breath Figures

J. G. McPherson

The Iodine Voltameter

Detection of Blood Spots in Presence of Rust

Herren Mecke, Wimmer

The Boston Electric Railway Subway

Binocular Photomicrography

A. A. Adee

The Rarer Metals and their Alloys

The Action of Light on Animal Life

Corundum Deposits of Georgia

Patents!

The scientific American Supplement.Index for Vol.39