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A Steam-Turbine Electric Locomotive

The Value of Exhaust Steam

A Reversion to Type

Navy Department Reorganization

Aeronautics

Science

Engineering

The New Pennsylvania Railroad Electric Locomotives

The Life of a Splash

By Percy Collins

The Enormous Crops of 1909

A Simple and Rapid Method of Measuring the Height of an Aeroplane above the Ground

The Ninth Annual Lepine Exhibition of Toys in Paris

By Jacques Boyer

Carnivorous Plants of the Future

By S. Leonard Bastin

The Most Ancient of Human Skeletons

How to Make Lead Pipe into Iron Pipe without a Wiped Joint

By Howard M. Nichols

How to Water-Proof Cloth

A Method for Connecting Batteries in Combinations

By Chauncey W. Nieman

Sled Runner Attachment for Go-Carts

By Milton Stone

A Snow-Bound Santa Claus

By John A. Bergstrom

Handy Man's Workshop

Power-Driven Scooter

By Frederick K. Lord

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • Index of Inventions

  • Patents

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December 18, 1909

Complex Causes. Alternative Solutions.

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