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SA Supplements Vol 60 Issue 1548supp

SA Supplements

Volume 60, Issue 1548supp

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Features

Science Notes - September 2, 1905

New Sea-Going Dredges

Day Allen Willey

Packing Machinery for Export

Possibilities in Heating with Hot Air

R. S. Thompson

The Manufacture of Cognac Brandy

Population of China

The Commercial utilization of Tantalum Alloys

Reinforced Concrete

The Latent Image

Historic Wallingford

The art of Making a Plain Business like Statement

W. Ripper

Some Curious Old Barrel Organs

Gold Extraction by Cyanide: A Retrospect

John S. MacArthur

A Transportable Searchlight

Alfred Gradenwitz

The Importance of Investigations of Seedling Stages

The Light-Perceiving Organs of Plants

Some Notes on the Stars

The Solar Eclipse

Robert Ball

The Coloration of Flowers

Contemporary Electrical Science

Genesis of the Plow

Electrical Notes

Engineering Notes

Trade Notes and Recipes