SA Supplements Vol 66 Issue 1713supp

SA Supplements

Volume 66, Issue 1713supp

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Features

The “Flip-Flap”

An Amusement Apparatus at the Franco-British Exposition. By the English Correspondent of the Scientific American.

Making Fine Detail Castings in Sand

Walter J. May

Operation of Coal-Cutting Machinery

Use and Economy of the Various Types of Coal Cutters

George E. Lynch

High-Frequency Oscillations

Their Production by Various Methods

William Duddell

A New Method of Desiccation

How Liquids Readily Decomposable by Heat may be Dried

E. Hausbrand

Electric Welding of Copper

Magnetized Well Tubes

Artillery Practice Indoors

Testing Field Pieces in Armories

Georges Vitoux

Low-Pressure Steam Turbine Efficiency and Cost

The Wright Aeroplane-Its Construction

It has Flown for over an Hour in a 10-Mile Breeze, has Attained a Height of 300 Feet, and a Speed of over 40 Miles Per Hour

L. P. Alford

Recent Progress in Gas Manufacture

What Europe is Doing to Improve Gas Lighting

Thomas Holgate

Brazing Cast Iron, and Other Metals

Frank N. Blake

The Chameleon in Captivity

The Strangest of Pet Animals

F. Martin-Duncan

The Miraculous Edessa

A Sixth Century Parchment Recently Discovered in Egypt

Stereoscopic Projection

A Simple Method that can be Practiced by any Photographer

T. Thovert

Artificial Silk

Apparatus for Measuring the Heat of the Sun

By Our Paris Correspondent

The New Map of Greenland

How Greenland Really Appears

Our Loss by Fire

Engineering Notes

Trade Notes and Formulæ

Science Notes