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Features

New Sea-Going Dredges

By Day Allen Willey

Packing Machinery for Export

Possibilities in Heating with Hot Air

By R. S. Thompson

The Commercial utilization of Tantalum Alloys

Population of China

The Manufacture of Cognac Brandy

Reinforced Concrete

The Latent Image

Historic Wallingford

Some Curious Old Barrel Organs

The art of Making a Plain Business like Statement

By W. Ripper

A Transportable Searchlight

By Alfred Gradenwitz

Gold Extraction by Cyanide: A Retrospect

By John S. MacArthur

The Importance of Investigations of Seedling Stages

The Light-Perceiving Organs of Plants

Some Notes on the Stars

The Solar Eclipse

By Robert Ball

The Coloration of Flowers

Contemporary Electrical Science

Genesis of the Plow

Electrical Notes

Engineering Notes

Trade Notes and Recipes

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    September 02, 1905

    Think Outside the Gift Box