Glaciers and International Boundaries
How One Nation Gained Hundreds of Square Miles of Territory
Features
Installation and Care of Storage Batteries
Their Efficient Operation Depends on Proper Charging and other Factors
Electric versus Gas Lighting for Motorcycles
Gain in Illumination, Reliability, Light Weight, and other Factors
Artificial Daylight for Color Matching
The Requisite Components of Light Sorted Out by Means of Light Filters
The Earth's Poles
The Vogue of Special Steels
The Hempstead to Washington Flight
Some Aspects of the Subject of Transportation
I—Traffic by Land
The Steam Yacht “Winchester”: A Thirty-Two-Knot Craft
Blood Parasites
Elusive Foes of Mankind
