SA Supplements Vol 83 Issue 2153supp

SA Supplements

Volume 83, Issue 2153supp

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Features

Relativity and Gravitation

A Discussion of Attempts to Bring Gravitation within the Scope of the Principles of Relativity

James Rice

Diesel Engines

Cast Iron Growth

The Baghdad Railway

An Important Trade Route by which Germany Hoped to Control Valuable Territories

A Prairie Dog Feud

The Metric System

The International Language of Weights and Measures

George Frederick Kunz

Inferences concerning Auroras

An Industrious Elephant

The Fixation of Nitrogen as Cyanide

An Eruption of Lassen Peak

Meteorological and Seismological Considerations

Andrew H. Palmer

An Explosion Effect

Progressive Oxidation of Cold-Storage Butter

An Investigation of Causes of the Development of Undesirable Flavors

D. C. Dyer

Soap Bubbles of Long Duration

Detection of Artificial Coloring Matters in Wine

The Value of High-Level Meteorological Data—II

In Forecasting Changes of Temperature

S. P. Fergusson

Phosphorescence

And the Phototropy of Inorganic Systems

Jos*amp*eacute; Rodriguez Mourelo

Treatment of Ivy Poisoning

An Asbestos Packing

Germany's Manganese Supply

Failure of all Substitutes for Ferromanganese—Use of Calcium Carbide

Frank Jovic