Volume 106, Issue 16
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Features
Fatal Accident to Calbraith P. Rodgers, The First Hydo-Aeroplane Meeting at Monaco
The Diesel Oil-engine and its Industrial Importance
The Simplest and Most Efficient of Motors
The Safety of Smokeless Powders
The New Element "Niton"
Girdling the Globe by Wireless
The Navy Chain of Wireless Stations
The Automobile Sanitary Apparatus of Paris
Modern Methods of Street Cleaning in the French Capital By the Paris Correspondent of the Scientific American
Panama—Personal Impressions of the Work on the Canal—I
Controlling the Chagres River by the Gatun Dam and Spillway
What Inventors are Doing - April 20, 1912
Simple Patent Law; Patent Office News; Inventions New and Interesting