Volume 102, Issue 5
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Features
Engineering, Electricity, Science
A New Era of the American Locomotive
Two Remarkable Engines
Putting Old Neptune to Work
How an Amateur May Find Halley's Comet
Foreign Naval Progress in 1909
The Lake Washington Canal, The Boy's Endorsement and more
A Great Open-Air Telescope
America's First Aviation Meet at Los Angeles
Detailed Account of the Flights Made by the American and French Aviators