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The Penetrating Power of "N1-Rays."

Four Leading Foreign Exhibits at the World's Fair

The Automobile Tour to the World's Fair

The Position of the Range Finder on a Warship

Renard's New Boiler for Airships

The National Geographic Congress

A New Cunarder

The Mercury Vapor Lamp for Photographic Work

By Frank C. Perkins

The United States Marine Corps

By Waldon Fawcett

The Utilization of Snake Venom in Preparing Anti-Bubonic Serum

By A. F. Shaw

The Mount Pilatus Railway, Switzerland

By Emile Guarini

Strange Sights in the Far North

By Arthur Inkersley

Speed Trial of the Battleship "Ohio."

Cabinet for Storing Phonograph Records

Medical Battery

A Marvelous Automobile Record--1031/2Miles an Hour

The Oldest Known Inhabitant of the Globe

By the St. Louis Correspondent of the Scientific American

Business and Personal Wants


  • Departments

    Correspondence - August 13, 1904

  • Recently Patented Inventions - August 13, 1904

  • New Books, Etc. - August 13, 1904

  • Notes and Queries - August 13, 1904

  • Index of Inventions - August 13, 1904

  • Patents - August 13, 1904

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