Building the Quebec Bridge, The Liberty Motor, and more
Second Attempt to Raise the 640-Foot Suspension Span into Position, Successful
Volume 117, Issue 13
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Features
Electricity- September 29, 1917
Science- September 29, 1917
The Submarine Problem --XVI
Protection, Internal to the Ship, Against the Torpedo
Ideas that will not Work
The Council of National Defense Must Keep an Open Mind, in Spite of Thousands of These
[article on military ideas that are useless]
Touring Plants
Curious Devices Which They Employ for Spreading from Place to Place