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Sustained Electric Oscillations

Broken Rails and Railroad Accidents

The Scientific American Aeronautic Trophy

The Cruiser of the Future

Advantages of Turbine Propulsion for Battleships

By H. C. Dinger

A Harvest of the Sea

By W. G. Fitz-Gerald

The Manufacture of Worsted Cloth

By W. Frank M'clure

The Use of Compressed Air in Logging

By E. A. Sterling

The Hippodrome Mystery Unveiled

A 250-Ton Mallet Locomotive

Loss of the Largest Ship Ever Wrecked

Adjustable Tension Rods for Pianos

An Improved Twine Cutter

A Novel Form of Nail

Pipe Stopper or Test Plug


  • Departments


  • Recently Patented Inventions

  • Index of Inventions

  • New Books, Etc.

  • Notes and Queries

  • Patents

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April 20, 1907

The Antidote to Anti-Intellectualism