Volume 103, Issue 13
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Features
Aeronautics- September 24, 1910
Engineering- September 24, 1910
Science- September 24, 1910
A Novel System of X-Ray Cinematography
The Humphrey Gas Pump at the Brussels Exhibition
Testing Weights and Measures in New York City
How the Capacity of the New York Subway Power Plant was Doubled
Finish of the Harvard-Boston Aviation Meet
Mexico City's New Water Works System
Dew with a Cloudy Sky
Magic for Amateurs--XI
Miscellaneous Tricks
The Current Supplement, The Shallowest Large Lake, and more
The Inventor's Department - September 24, 1910
Simple Patent Law; Patent Office News; Inventions New and Interesting