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The "Wisconsin" and the "Variag"

The Water-Tube Boiler on Trial

The Latest Developments of Wireless Telegraphy

The Mono-Rail for High-Speed Travel

Borax in Europe

Calcium Carbide at the Congress of Applied Chemistry

The Congress of Applied Chemistry at Paris

A Collapsible Lathe-Dog

A New Military Folding Bicycle

Paris Exposition--Building of the German Marine

Reconstruction in Concrete of Dry Dock No. 2, New York Navy Yard

The 16-Inch Rifle and 20-Inch Smooth-Bore Compared

A Mechanical Scarifier

Strengthening the Cantilever Bridge at Niagara

The Pantry Moth

By S. Frank Aaron

Re-Invention in the World of Surgery

By R. E. Thomas


  • Departments

    Correspondence - October 20, 1900

  • Recently Patented Inventions - October 20, 1900

  • New Books, Etc. - October 20, 1900

  • Notes and Queries - October 20, 1900

  • Business and Personal - October 20, 1900

  • Index of Inventions - October 20, 1900

  • Patents - October 20, 1900

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