Relativity and Gravitation
A Discussion of Attempts to Bring Gravitation within the Scope of the Principles of Relativity
Features
Cast Iron Growth
Diesel Engines
The Baghdad Railway
An Important Trade Route by which Germany Hoped to Control Valuable Territories
A Prairie Dog Feud
Inferences concerning Auroras
The Metric System
The International Language of Weights and Measures
The Fixation of Nitrogen as Cyanide
An Industrious Elephant
An Eruption of Lassen Peak
Meteorological and Seismological Considerations
An Explosion Effect
Progressive Oxidation of Cold-Storage Butter
An Investigation of Causes of the Development of Undesirable Flavors
Detection of Artificial Coloring Matters in Wine
Soap Bubbles of Long Duration
The Value of High-Level Meteorological Data—II
In Forecasting Changes of Temperature
Phosphorescence
And the Phototropy of Inorganic Systems
Treatment of Ivy Poisoning
An Asbestos Packing
Germany's Manganese Supply
Failure of all Substitutes for Ferromanganese—Use of Calcium Carbide
