SA Supplements Vol 68 Issue 1767supp

SA Supplements

Volume 68, Issue 1767supp

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Features

Utilization of Atmospheric Nitrogen

What it Means to the Farmer

A. Bernthsen

The Schneider Torpedo-Testing Station

A Novel Undertaking

Heating Steam Boilers with Producer Gas

The Maratta System of Color

Painting on a Scientific Basis

Accidents in Aerial Navigation and how to Meet Them

Fleming

The Making of Automobile Tires

From Raw Material to Finished Product

Snowden B. Redfield

The Leonid Shower

A Meteoric Display now Due

How to Construct an Efficient Electrolytic Rectifier for One Dollar

H. T. Hewlett

Cranked Axles

A Gas-Electric Motor Car

A New Type of Car for New York

Wireless Transmission of Weather Signals

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

N. Herz

Electrical Notes

Engineering Notes

Trade Notes and Formulæ