SA Supplements Vol 63 Issue 1639supp

SA Supplements

Volume 63, Issue 1639supp

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Features

The Fate of the Temples of Philæ

By the English Correspondent of Scientific American

Women at Work in the United States

The Most Economical mean Effective Pressure for Steam Engines

R. Royds

Home-Made Linear Expansion Apparatus

R. O. Austin

Simple Locomotive Bell Ringer

A New Glass Front for Automobiles

Swallows as Allies of the Farmer

A Simple Gas Generator for Laboratory Use

W. M. Mills

Ionic Therapeutics

Prevention of Freezing in Concrete by Calcium Chloride

Richard K. Meade

The Demolition of the Great Wheel at Earl's Court, London

A History of the Wright Flying Experiments

Octave Chanute

Photographic Notes

Electric Haulage on Canals

Experiments on European Systems and the Practical Results

A Hydraulic Analogy of Radiation

Aerial Locomotion

With a Few Notes of Progress in the Construction of an Aerodrome

Alexander Graham Bell

The Air we Breathe

Weather Bureau

Wilford M. Wilson

Science Notes

Engineering Notes

Trade Notes and formulæ