Thermo-Electric Measurements of Stellar Radiation
By the Aid of a New Type of Thermo-Electric Junction
Features
Iron Ore Output of the World
The Geological Action of Man
Battleships and Submarine Attack
Development of the Westinghouse Turbine Reduction Gear
Providing a Method for Insuring Uniform Pressure Across the Entire Face of the Teeth of the Pinions
Lightning and its Dangers
Precautions to be Taken and Means of Protection During Thunderstorms
Alcohol from Wood
The Law of Distances of the Planets and Satellites
The New Coaling Dock at St. Thomas
The First Unit of Extensive Harbor Improvements
Damascene Steel
The Altitude Record again Broken
A Surge Tank for Hydraulic Power Plants
A Simple Method of Controlling the Flow of Water in Long Pipe Lines
The Riddle of Mars
How the Planet May Be Saving Itself from Death by Irrigation
Melting Points of Refractory Oxides
Result of First Contest for Safety in Aeroplanes, in France
Remarkable Performance of the Sperry Gyroscopic Stabilizer
Recording Moonlight and Night Cloudiness
Determination of Ammonia in Illuminating Gas
The Flying Machine from an Engineering Standpoint—II
A Review of Recent Progress
The Horsepower of a Cannon
Departments
- Letters
Correspondence- August 15, 1914
