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Training Marksmen by the Kinematograph, Energy from the Sun, and more

The World's Largest Steamship

Maiden Voyage of the Steamship "Vaterland", to the Port of New York

Setting a Watch, Our Front-cover Illustration, and more

By Frederick E. Ward

Do Plants Sleep?

By Maud DeWitt Pearl

The Fallacy of the Combined Aeroplane and Dirigible Balloon

By R. H. Upson

The Scientist and the Athlete

The Physiological Laboratory of the French Military School at Joinville

By Jacques Boyer

Some Helps for the Music Teacher, Aeroplane Bomb in Morocco, and more

By Alfred Gradenwitz

Arctic Mines


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