SA Supplements Vol 68 Issue 1758supp

SA Supplements

Volume 68, Issue 1758supp

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Features

The Casting of Bronze Statues

The Delicate and Intricate Work That is Produced in Sand Molds

Snowden B. Redfield

The Study of the Invisibly small

Ultramicroscopes and Ultramicroscopical Objects

A. Cotton, H. Mouton

Cold in Modern Life

The Importance of Refrigeration

Charles Engel

Anæsthetics and the Coiffure

Canning Vegetables in the Home

Suggestions for the Housewife

J. F. Breazeale

The Lesson of Evolution

Darwin and his Message

E. H. Starling

Importance of Ferments in Organic Life

Their Catalytic Effect

A. Zart

A Kinematic Illusion

A Sketch of the History of Propellants

The Rise of Explosives

Andrew Noble Bart.

Submarines and Life-Saving Devices

Speed of Indian Railway Trains

A Novel Salvaging Operation

How the “Netherton” was Taken Home

Amount of Moisture in Fogs

The Aerial Propeller

Its Form and Construction

Lucien Fournier

Studies of Electricity and Matter

A Resume of Recent Investigation

J. J. Thomson

Trade Notes and Formulæ

Engineering Notes

Methods of Drying Soap