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Our Fastest Battleship

Protection of Iron Structures

American Locomotives Abroad

Gas Engines

By Aime Witz

The Clothing of the Ancient Romans

The Form of Mercury Bath--Experiments at the Observatory of Paris

By J. Guenaire

Launch of the Submarine Torpedo Boat Fulton

An Adjustable Power-Hammer

The Three Cup-Yachts of 1901

Pressed-Steel System of Car Construction

The Stralau-Treptow Tunnel under the River Spree

Method of Testing Specimens of Marble

By Frank D Adams

The Life History of an Insect Parasite

By S. Frank Aaron

Business and Personal Wants

To Inventors


  • Departments

    Science Notes - June 22, 1901

  • Recently Patented Inventions - June 22, 1901

  • New Books, Etc. - June 22, 1901

  • Notes and Queries - June 22, 1901

  • Index of Inventions - June 22, 1901

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis