Volume 106, Issue 21
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Features
The New York Aero Show
Description of Some Novel American Aeroplanes on Exhibition
Opening of the Naval Drydock, New York
Unique Methods in Constructing an Unusually Difficult Engineering Work
An Aqueduct Two Hundred and Forty Miles Long
How steel and concrete siphons will supply Los Angeles with water
Taking Moving Pictures Upon Glass Plates
By the London Correspondent of the Scientific American
Briquetting Iron and Metallic Waste, Diamonds from Illuminating Gas
By Our English Correspondent
An Apparatus for Weighing Liquids in Tanks, Immunity Against Poisons
Curiosities of Science and Invention - May 25, 1912
What Inventors are Doing - May 25, 1912
Simple Patent Law; Patent Office News; Inventions New and Interesting