A Nation in Perspective
How Canada Has Brought Her Scenery and Resources to the Panama-Pacific Exposition
Volume 80, Issue 2062supp
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Features
Photo-Electricity—II
The Intimate Relations of Light and Electricity
How a 25 Per Cent. Saving was Made
Problems of Geographic Influence
Differentiation of the White Race
The Range-Finder
How Distances are Measured on the Battlefield
The Early History of Opium
Poles for Electric Transmission Lines
The Velocity of Hertzian Waves
Long-Distance Measurements; Apparatus Used and Results Obtained
Experimenting with Searchlights
Instruments used on Aeroplanes
Comments on Their Functions and Defects
Graphite
The Manufacture of Condensed Milk, Casein, Etc.—II
Discussion of Methods of Analysis
Modern Substitutes for Butter
Wholesome Materials that Have Long Been Under Suspicion
Fine Measuring Tools for Machinists
Typhus Fever
Built-in Hollow Method for Mounting Small Mammals
Cartridge Cases for Field Gun Ammunition
Ingenious Methods of Making the Powder Container for Rapid-Fire Guns
Making Shrapnel Bullets
Cost of Electric Steel Making Furnaces
The Mobilization of War Raw Materials in Germany
Where the Mathematician Could Aid the Astronomer
The Desirability of Co-operation Between Different Branches of Science