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The Incandescent Light Controversy

The World's Fair of 1892

"Experimental Science"

The Paris Exposition Medal

An Improved Dredging Scraper

New Plating Dynamo

The National Surface Guard for Railroads

A Hand Lifter for Coupling Links

An Improved Flash-Light Lamp

An Improved Saw

Brooklyn's Triumphal Arch

Statue Giving a Double Image

The Wenham Gas Lamp

New Swing Cut-Off Saw

Concave Celestial Maps

The New York Exhibition of 1892

Electric Phenomena Produced by Solar Radiations

The Inventor's Head


  • To Inventors- January 4, 1890

  • Letters

    Correspondence- January 4, 1890

  • Departments

    Notes and Queries- January 4, 1890

  • Index of Inventions- January 4, 1890

  • Business and Personal - January 4, 1890

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