Measurement of the Distances of the Stars—I
A Review of Early Efforts and a Discussion of Modern Methods
Features
Technical Utilization of Precious Stones
Working the Chickens Overtime
The Irrigation Works of India
Vast Engineering Schemes by Which the Dreaded Famine Scourge has Been Wiped Out
Experimental Study of the Mechanism of Writing
Investigations in the New Science of Experimental Pedagogy
Seasoning Cast Iron
Military Explosives—II
Their Chemistry, Preparation and Action
Agriculture in Germany
And Significant Facts about Potash by Our Berlin Correspondent
Submarine Signaling
Some Recent Discoveries for the Safeguarding of Ocean Navigation
Great Inventions and the Public
Detecting Impurities in Steel
Stadium at Athens
Care of Exceptionally Bright Children
Special Methods of Training Necessary for Exceptional Minds
The Balata Industry
How this Little Known Gum is Collected and Marketed
Electrostatic Ore Separation
Principles of a New Method of Metallurgical Treatment
Effect of Acetylene on Metals
Panama and Suez Canals
Artificial Light Treatment of Surgical Tuberculosis
A Substitute for Sun Baths that Promises Valuable Results
