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Features

Extraordinary Conditions in the Steel Industry

The Size of Ocean Waves

Growth of the Salton Sea Arrested

Gun Trials of the "Dreadnought"

The Congestion at the Patent Office

Progress of the Pennsylvania East River Tunnels

Santos Dumont's Latest Flight

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

An Improved Try-Square

Safety Can Lifter

A Unique Non-Refillable Bottle

Business and Personal Wants

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • New Books, Etc.

  • Notes and Queries

  • Index of Inventions

  • Patents

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November 24, 1906

Help Us Reforest the Mississippi River Valley