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A Discredited Theory

Mr. Hildenbrand and the Manhattan Bridge Problem

One Year's Operation of the Subway

Tunnel Boring in Ancient Palestine

Ludlow's First Successful Flight

Test of a Torpedo Shell

The Twin-Screw Liner "Amerika"

Some Cities of Ancient Egypt

Tenacity of Life in Ants

By Adele M. Fielde

A Street-Sprinkling Curb

An Odorless Gas Stove

Business and Personal Wants


  • Departments

    The Heavens in November - November 4, 1905

  • Correspondence - November 4, 1905

  • Index of Inventions - November 4, 1905

  • Recently Patented Inventions - November 4, 1905

  • Patents - November 4, 1905

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