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Features

The Panama Canal Contract

The “Casualty List” of American Industries

Should the Steel Makers Subsidize our Shipbuilders?

Satisfactory Foundations for Panama Dams and Locks

Why the Big One-Caliber-Gun Battleships are Best

The Current Supplement

Telephone Statistics

Comparative Test of Alcohol, Kerosene and Gasoline as Automobile Fuels

The Accident to the Stanley Steam Racer

The Fastest and Most Powerful American Motor Bicycle

Machine for Recording the Vibration of Ships

By Daniel M. Luehrs

Morning and Evening Stars for 1907

By Frederic R. Honey

The Somersaulting Automobile

The Battleship of the Future—I

By Forrest E. Cardullo

The Optical Intensification of Paintings

By R. W. Wood

The New Lock and Key Bottle for Holding Poison

Public Weather Towers in Vienna

A Clock Made of Slate

The Spider's Web as a Negative

Departments

  • Departments

    Correspondence

  • Notes and Queries

  • Recently Patented Inventions

  • New Books, Etc.

  • Index Of Inventions

  • Patents

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February 09, 1907

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