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Four Leading Foreign Exhibits at the World's Fair

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The Penetrating Power of "N1-Rays."

A New Cunarder

The Position of the Range Finder on a Warship

The Automobile Tour to the World's Fair

Renard's New Boiler for Airships

The National Geographic Congress

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

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    Correspondence - August 13, 1904

  • Recently Patented Inventions - August 13, 1904

  • Index of Inventions - August 13, 1904

  • New Books, Etc. - August 13, 1904

  • Notes and Queries - August 13, 1904

  • Patents - August 13, 1904

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August 13, 1904

Think Outside the Gift Box