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New Uses for an Old Device. --The Gyroscopic Railroad Train

A Speedy Solution of the “Broken Rail” Problem

The Subway Deadlock in New York

Science Notes

New Commissioner of Patents

Flights by Homing Pigeons

Third Annual Meeting and Run of the Automobile Engineers

The Construction and Handling of Submarines

By Walter Bernard

The Peril of the “Broken Rail”--Its Cause and Cure

Construction of Florida East Coast Railway

By Allen Hale

English Exposition of Model Flying Machines

An Improved Bridle

Metallic Piston Packing

Patent Department

Motor-Driven Stump Puller

Improved Pipe Wrench

A Novel Swimming Apparatus

Attachment for Stoves

Apparatus for Agitating Liquids

Weighing Scoop

Departments

  • Departments

    Correspondence - May 18, 1907

  • Recently Patented Inventions - May 18, 1907

  • Notes and Queries - May 18, 1907

  • New Books, Etc. - May 18, 1907

  • Index of Inventions - May 18, 1907

  • Patents - May 18, 1907

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