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The Cod Fisheries of Newfoundland

By Day Allen Willey

Strange Facts about the Eucalyptus

An Explanation

The Ancient Ruins of Rhodesia

Nova Persei

Exploring a River

An Interesting Collection of Cambodian Relics

A Plague of Moving Islands

Mechanical Traction on Tramways

Non-Skidder for Automobile Tires

History of Personal Jewelry

By Cyril Davenport

The Stenodactyl, or Stenographic Machine

The Properties and Applications of Selenium

By William J. Hammer


Lord Kelvin's New Idea about Ether Atoms

By J. G. McPherson

New Traveling Electric Hoists

Contemporary Electrical Science

The David Perret Electric Clock

By Emile Guarini

On Electrons

Part III. Determination of Speed and Electrochemical Equivalent of Cathode Rays

By Oliver Lodge

Trade Suggestions from United States Consuls


Selected Formulæ


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May 30, 1903

20% Sitewide for President's Day