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The Artistic Element in Bridge Design

The New Cunarders

Flies as Carriers of Bacteria

American Rapid Transit in London

British Workmen on American Industry

Electric Power Plant Below Mount Rainier

By Earl Mayo

Carrier Pigeons for the German Navy

A New Soda-Water Machine

An Electric Ore-Reducing Apparatus

Motor Coaches for British Railroads

A Simple Kerosene Engine

The Coal Industry of Pennsylvania

By W. Frank M'clure

Wireless Telephonic Communication between Moving Ferry Boats

By T. Byard Collins

A Land Boat for Armory Use

Guilleminot High-Tension and High-Frequency Coils

By Emile Guarini

Heater Attachment for Lamps and Gas Burners

Useful Attachment for Rain-Water Leaders

Gage for Railway Car Axles

Adjustable Cultivator

Centrifugal Separator

Rail Connection

Business and Personal Wants

Popular Steam Traps


  • Departments

    Science Notes - May 23, 1903

  • Recently Patented Inventions - May 23, 1903

  • Notes and Queries - May 23, 1903

  • Index of Inventions - May 23, 1903

  • New Books, Etc. - May 23, 1903

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May 23, 1903

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