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Great Economy of the Motor Cycle

Distribution of Trade at the Ports of the United States

Intermediate Batteries on Battleships

The Cause and Cure of Hay Fever

Alcohol as an Illuminant

Eye-Bar Cables

Expansion of Electric Railways in Massachusetts

By Alton D. Adams

Some Interesting Models

By H. D. Jones

A Floating Piston

A Non-Freezing Valve

The Automobile as a Plow Horse

By W. Frank M'Clure

The Pulque and Mescal of Mexico

By Charles Richard Dodge

Blackwell's Island Bridge

Experiments with Motor-Driven Aeroplanes

A Singular Profession

By C. F. Holder

A Ship Brake

The Seas of Fog

By Emile Guarini

Business and Personal Wants


  • Departments

    Science Notes - September 19, 1903

  • Notes and Queries - September 19, 1903

  • Recently Patented Inventions - September 19, 1903

  • Index of Inventions - September 19, 1903

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