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Why Not the Electric Fire Engine?

Steamship Vibration

Brick Roads for the Automobile

The Fulton Airship Flight Contest




The Turbines of the Battleship North Dakota

The Eyes of Animals

By Percy Collins

Formulæ for Obtaining Integral Sides of Right-Angled Triangles

Rainmaking by Explosion

The Alaska-Yukon Exposition

By William H. Raymond

An Experiment with a Glider

Handy Man's Workshop

Furnishing the Workshop—VI (Continued from the issue of April 3rd.)

By I.G. Bayley

Chemical Flasks from Electric Light Globes

By K. Ragan


By E. F. Pabody

A Remedy for Loose Wood Screws

By G. W. Naylor

Another Joint for Handy Man's work Bench

By Charles Lurcott

Novel Heat Motor

By R. V. Heuser

Hardening Copper

By H. D. Chapman

New Books, Etc.


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  • Recently Patented Inventions

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April 17, 1909

Science for the Modern World