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Comprehensive Scheme for National Water-Ways

The Loss of the French Airship “La Patrie”

Archæological Work in Wyoming

Separate Entrances and Exits on Cars

The Mysterious Railway Disasters in England

Science Notes - December 14, 1907

New Experiments in Radio-Activity

By Jacques Boyer

Saturn's Tores

By Percival Lowell

An Easily Made Micrometer

By Thomas R. Baker

A Glimpse of Western Tibet—An Austrian Expedition to the Forbidden Land

By Alfred Gradenwitz

Santos Dumont's Latest Aeroplane

By Our Paris Correspondent

A Carnivorous Dinosaur: A Reconstructed Skeleton of a Huge Saurian

By Walter L. Beasley


  • Letters

    Correspondence - December 14, 1907

  • Recommended

    New Books, Etc. - December 14, 1907

  • Departments

    Index of Inventions - December 14, 1907

  • Recently Patented Inventions - December 14, 1907

  • Patents - December 14, 1907

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