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The Isthmian Canal Survey

Germany's Naval Programme--a Lesson for the United States

The Steering of Modern, Screw-Propelled Ships

The Designs of Last Year's Battleships and Cruisers

Breaking Ground for the Rapid Transit Tunnel

Mutual Aid Societies for French School Children

Three Types of Automobiles

The Heavens in April 31, 1900

By Henry Norris Russell

A New Method of Cutting Threads

An Improvement in Smoke Consuming Furnaces

A Cheap Telephone System for Farmers

A Cheap and Efficient Typewriter

The North German Lloyd Liner "Kaiserin Maria Theresia"

A Rein Support and Guard for Horse Harness

American Freight Locomotives and the Engines of the "Oceanic"--A Comparison of Horsepower

The Marine Department of the Trans-Siberian Railroad

By Waldon Fawcett

Prof. Pictet's Experiments with Liquid Air

Some American Mummies

By C. F. Holder


  • Departments

    Correspondence - March 31, 1900

  • Recently Patented Inventions - March 31, 1900

  • Business and Personal - March 31, 1900

  • Index of Inventions - March 31, 1900

  • Notes and Queries - March 31, 1900

  • Patents - March 31, 1900

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March 31, 1900

Science for the Modern World