Skip to main content


Our Two Great Canal Projects

Vanderbilt Cup Race

The Single-Phase System in America

A Temperance Match

By George S. Hodgins

The Size Illusion of the Depressed Letter P

By J. E. Wallace Wallin

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

Anchor and Fastener for Lightning Conductors

A Binocular Head Lens

By Alfred Gradenwitz

A Useful Chain Grip for Automobiles

Business and Personal Wants


  • 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

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

The Essential Guide to the Modern World

The Essential Guide to the Modern World