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Features

Our Two Great Canal Projects

Vanderbilt Cup Race

The Single-Phase System in America

The Size Illusion of the Depressed Letter P

By J. E. Wallace Wallin

A Temperance Match

By George S. Hodgins

The Dufaux Flying Machine

Interesting Repair Work on a German Steamship

By Alfred Gradenwitz

A Novel Process for Disengaging Forces by Means of Sound

Electric Power Developments at Niagara Falls--II

A New Method of Constructing Sanitary Sewers

Giants of the Insect World

A Binocular Head Lens

By Alfred Gradenwitz

Anchor and Fastener for Lightning Conductors

A Useful Chain Grip for Automobiles

Business and Personal Wants

Departments

  • Departments

    Correspondence - October 21, 1905

  • Recently Patented Inventions - October 21, 1905

  • Notes and Queries - October 21, 1905

  • Index of Inventions - October 21, 1905

  • Patents - October 21, 1905

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October 21, 1905

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