Volume 74, Issue 1911supp
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Features
Soluble Gunpowder
How to Make Quartz Fiber
The Finest and Strongest Suspension Known
Welding by Electricity
The Most Expeditious and Satisfactory Method for General Practice
The Correlation between Sunspots and the Weather
The Evidence of Periodic and Abnormal Occurrences
Surface Combustion
A Radical Innovation in Industrial Heating Practice
The Preservation of our Fish Supply
The Banks on Our East Coast and Their Origin
New Year's Celebrations in Japan, Formation of the Earth's Surface
Scientific Foot Treatment for the Army
Trying on Shoes by X-Rays
The Permeagraph
A Graphical Machine for the Magnetic Testing of Iron and Steel
Lubrication Problems in Gasoline Engines
High Temperature of Cylinders Makes Special Demands on Oil Employed