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Features

Around the World in Forty Days

The Lumiere Single-Plate Process of Color Photography

Steady Improvement in Naval Gunnery

Relative Risk of Overhead and Third-Rail Conductors

Engineering Notes - July 20, 1907

The Rail Situation

By J. Kent Smith

A New Automobile Boat

By Jacques Boyer

An Exhibition of Fruits and Vegetables in Wax

By Cara Reese

The Moon's Phases and Eclipse in July, 1907

By Frederic R. Honey

Osborne College: An English Naval School

By Henry Hale

A New Identification System in the United States Army

By H. L. Morgan

Ionic Therapeutics

Departments

  • Departments

    Correspondence - July 20, 1907

  • Index of Inventions - July 20, 1907

  • Recently Patented Inventions - July 20, 1907

  • Patents - July 20, 1907

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July 20, 1907

Think Outside the Gift Box