SA Supplements Vol 84 Issue 2168supp

SA Supplements

Volume 84, Issue 2168supp

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Features

Is the Atlantic Coast Sinking?

A Review of the Latest Contributions to an Old Problem

Douglas W. Johnson

An Inexpensive Dialyser for Class use

Diastase in the Laundry

Wright Van Deusen

Flotation Experiments on a Transvaal Gold Ore

Protecting our Timber Resources

Using the Heliograph to Fight Forest Fires

Arthur L. Dahl

An Experimental Study of a Theory of the Complex Zeeman Effect

A. E. Becker

The Electrical Properties of Gases—II

Which Enable Important Problems in Physics to be Studied

J. J. Thomson

Removing Rust by Electricity

The Compression of the Earth's Crust in Cooling

Tree and Plant Pests

They Do Millions of Damage Every Year

C. L. Marlatt

Natural Measurement of Time—II

The Year and its Limitations

N. T. Dupuis

Sighting Telescopes for Fire-Arms

Instruments that aid in Precision in Long Distance Shooting

Ernest Coustet

Science Not Responsible for War

Eliminating Blue Monday from the Navy

Economizing Coal in Gas Making

The Meaning of Bird Music

Songs of Whose Beauty the Birds Are Consciously Appreciative

Henry Oldys

Artificial Eyes

Their Early History and Modern Improvement

Mary Davro

Ball Bearings

Effect of Occluded Air on the Freezing of Pipes