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Growth of the Salton Sea Arrested

Extraordinary Conditions in the Steel Industry

The Size of Ocean Waves

The Congestion at the Patent Office

Santos Dumont's Latest Flight

Progress of the Pennsylvania East River Tunnels

Gun Trials of the "Dreadnought"

What Do the Birds Eat?

By Helen Lukens Gaut

A Curious Chemical Experiment

By Gustav Michaud

Cooking without Fire

By George J. Jones

A New Apparatus for the Coaling of Warships

By Our Berlin Correspondent

Blasting Out a Reef in New York Harbor

Railway Accidents and Surgery

The Opposition of Mars in 1907

By Frederic R. Honey

Effects of the Recent Hurricane at Mobile

By Day Allen Willey

Soft Crystals Showing Apparent Life

By Alfred Gradenwitz

A Unique Non-Refillable Bottle

Safety Can Lifter

An Improved Try-Square

Business and Personal Wants


  • Departments


  • Recently Patented Inventions

  • Index of Inventions

  • New Books, Etc.

  • Notes and Queries

  • Patents

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November 24, 1906

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