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Features

Utilization of Atmospheric Nitrogen

What it Means to the Farmer

By A. Bernthsen

The Schneider Torpedo-Testing Station

A Novel Undertaking

Heating Steam Boilers with Producer Gas

Accidents in Aerial Navigation and how to Meet Them

By Fleming

The Making of Automobile Tires

From Raw Material to Finished Product

By Snowden B. Redfield

The Leonid Shower

A Meteoric Display now Due

A Gas-Electric Motor Car

A New Type of Car for New York

Wireless Transmission of Weather Signals

How to Construct an Efficient Electrolytic Rectifier for One Dollar

By H. T. Hewlett

Cranked Axles

Santos Dumont's Latest Monoplane

With Working Drawings of the Machine and all its Parts

The Paris Aviation Exhibition.—III

Considerations Regarding Motors and their Location

The Ice Age

Astronomical Explanations

By N. Herz

Electrical Notes

Engineering Notes

Trade Notes and Formulæ

Departments

  • The Maratta System of Color

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November 13, 1909

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