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Features

Groynes of Reinforced Concrete to Check Coast Erosion

By J. B. Van Brussel

Oxidation-Proof Bronzing

Some Practical Suggestions

The Origin of some Naval and Military Customs

By M. V. Campbell

The Breakable Part as a Prevention for Overload

The Quebec Bridge Disaster

A Summary of the Findings of the Commission of Inquiry Appointed by the Canadian Government

A New 16-Spindle Drill

Something Novel in Machine Tools

Airships in War

A Constant-Level Gas Meter

How the Water Level Is Maintained

By G. Chalmares

The Photography of Color.—I

A History of Photographic Color Research and its Present Status

By Chapman Jones

Benardos System of Electric Welding

A Simple Process

By C. B. Auel

Farming the Kangaroo

A Novel Experiment Successful Which Has Proved Successful In England

By Harold J. Shepstone

Resuscitation of Electrocuted Animals

The Lime and the Lemon

Eclipses of the Sun and Moon

How They are Calculated

By Jacob B. Brown

The Ether of Space

A Discourse by Sir Oliver Lodge

The Origin of Continents and Oceans

A Theoretical Study

By A. E. H. Love

Branly's Experiments with Electrolytic Coherers

The History of Glass Making

The Ancient Origin of Glass

By George A. Macbeth

Engineering Notes

Science Notes

Trade Notes and Formulæ

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    April 25, 1908

    Think Outside the Gift Box