Scientific American Magazine Vol 89 Issue 12

Scientific American Magazine

Volume 89, Issue 12

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Features

Eye-Bar Cables

Alcohol as an Illuminant

The Cause and Cure of Hay Fever

Intermediate Batteries on Battleships

Distribution of Trade at the Ports of the United States

Great Economy of the Motor Cycle

Expansion of Electric Railways in Massachusetts

Alton D. Adams

A Non-Freezing Valve

A Floating Piston

Some Interesting Models

H. D. Jones

The Pulque and Mescal of Mexico

Charles Richard Dodge

The Automobile as a Plow Horse

W. Frank M'Clure

Blackwell's Island Bridge

Experiments with Motor-Driven Aeroplanes

A Singular Profession

C. F. Holder

A Ship Brake

The Seas of Fog

Emile Guarini

Business and Personal Wants

Departments

Science Notes - September 19, 1903

Recently Patented Inventions - September 19, 1903

Notes and Queries - September 19, 1903

Index of Inventions - September 19, 1903