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SA Supplements Vol 7 Issue 162supp

SA Supplements

Volume 7, Issue 162supp

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Features

The Lapps at the Garden of Acclimatization

Telephone Calls

M. Hopkins

Call Bell and Morse Combination for Telephone Lines

The Lorenz Telephone Call

Electric Lamps

Improved Milling Machinery and Methods

Joseph F. Gent

Lord Rayleigh's “Theory of Sound”

The Sachsenberg Hot Air Engine

Porcelain Rollers for Milling

War Rockets

Cross-Raising Machine

American Machinery in England

Faure's Plate and Saucer Machine

The Largest Gun in the World

Woolen Looms in Germany

Pierrard's Improvement in Combing Machines

Plaiting Spun Yarn

Bromide of Copper—Its Preparation and Peculiarities

Platt's Universal Filter

The Treatment of Ulcers with a Saturated Solution of Chlorate of Potassium

T. M. Rochester

Chemical Notes

Changes in Chlorophyl

Treatment of Dyspepsia

Medical Uses of Salicylic Acid

Discoveries in Western Caves

Horace C. Hovey

Disinfectants, and their Special Application

E. L. Griffin

Record of Recent Scientific Publications

Australian Sugar

A New Fruit House