Stellar Maǵnitudes
The Problem of Measuring the Brightness of a Star
Features
The Relation of Liǵht to the Growth of Plants
How Colors Affect Vegetation
The Natural Tunnels of Laos
A Chinese Subterranean Watercourse
A New Wireless Transmitter
The Lorenz System Briefly Described
Toncan Metal
The Aǵǵreǵation of Power Systems
Economic Limitations of the Big Power Station
A Gasoline Tractor of 100 Horse-power Capacity
A Mechanical Horse for the Farm
The Capture of “Silver King”
The Physics of the Polar Seas
Scientific Aspects of the World's Icy Regions
Characteristic Features of Rocky Deserts
Relation of Protective Crust to Ravine Formation
Safety Stops for Steam Enǵines
Practical Suggestions for Engineers
What Men Do with Their Dead
The Exploitation and Culture of India Rubber Plants
Business Aspects of the Question
Shearinǵ Sheep by Machinery
How Frenchmen Have Improved an American Invention
Index of Inventions
For which Letters Patent of the United States were Issued for the Week Ending March 7, 1 911
