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Features

The International Railway Congress

The Economics of the Moving Platform

The Strength of Timber Treated with Preservatives

A Visit to the Interior of the Crater of Mont Pele and a Partial Ascent of the New "Dome"

A New Type of Cow-Milking Machine

Completing the Jerome Park Reservoir

Moving Platform Subway for New York City

The Auxetophone for Reinforcing Gramophone Sounds

BY THE ENGLISH CORRESPONDENT OF THE SCIENTIFIC AMERICAN.

The Making of a Gobelin Tapestry

The Viagraph: An Instrument for Measuring Road Wear

By Charles Lavell

A Novel Five-Wheeled Automobile

Bee Culture for Medicinal Purposes

A Petrified Forest Covering Thousands of Acres

By Charles Alma Byers

Business and Personal Wants

Departments

  • Departments

    Correspondence - May 13, 1905

  • Recently Patented Inventions - May 13, 1905

  • Notes and Queries - May 13, 1905

  • Index of Inventions - May 13, 1905

  • New Books, Etc. - May 13, 1905

  • Patents - May 13, 1905

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May 13, 1905

See the World from a Different Perspective

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