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New Torpedo Destroyers for Holland

Another "Invention"—A 70 Knot Submarine Boat?

Traffic in European Ports

The Galveston Disaster

Hand-Labor in Chinese Mines

The International Physical Congress

The British Association for the Advancement of Science

The Chicago Automobile Show

The "Fortis" Electric Exerciser

A Phosphate Transporter at Sfax

The Damage to the "Oregon"

Two Novel Harrows

A Japanese Trade Mark

The Mareorama at the Paris Exposition

Penetrative Quality of Light as Tested by Photography

By J. W. Kime

The New Army 16-Inch Gun

Aborigines of the Nilgiris in South India

Departments

  • Departments

    The Heavens in October

  • Recently Patented Inventions - September 29, 1900

  • Index of Inventions - September 29, 1900

  • Notes and Queries - September 29, 1900

  • Business and Personal - September 29, 1900

  • Patents - September 29, 1900

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis