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SA Supplements Vol 54 Issue 1385supp

SA Supplements

Volume 54, Issue 1385supp

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Features

Coffee

E. C. Rost

Antarctic Exploration

Edwin Swift Balch

Water in Australia

A New Census Machine

Electrolytic Reduction of Lead

Vertical Direct and Alternating Generators

Frank C. Perkins

Electricity in its Application to Submarine Mines

John Stephen Sewell

Blue Print and Black-Print Photographic Papers, and their Preparation

Alfred I. Cohn

The Inventor of Dover's Powder

New Filter Plant at Middletown, N. Y

The Gulf Stream Myth

Light and Malaria

Recent Progress in American Bridge Construction

Henry S. Jacoby

Bell Founding

A Remarkable Psychic Contrast from the Life-History of Ants

Herman J. Muckermann

Economic uses for Shells

The Giant Wild Sheep in the Zoological Garden at Berlin

India Ink—How it is Made

Recovered Rubber

Exalbuminous Fruit of Melocanna

Trade Suggestions from United States Consuls

Patents!

Selected Formulæ