Volume 120, Issue 16
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Features
Floating Mines in the North Atlantic and Arctic Oceans
Trend of Ocean Currents in Relation to Dangers to Navigation from Mines Which Have Broken Loose from Their Bearings
Locating Unexploded Shells on the Battlefields of France
Sir William Crookes
An Appreciation of a Great Physicist and Chemist
The French Problem of Reconstruction--I
In the Path of the Shell
Great Britain and France Decide to Build the Channel Tunnel
Latest Plans for the Channel Tunnel, Showing Its Course, the Geological Strata, and the System of Drainage; also Earlier Plans for Tubes and a Bridge
The English Channel Tunnel
Story of the Agitation for a Channel Tunnel from 1802 to 1919
Aerial Greyhounds of To-Morrow
Some Possibilities of Airship Transport Service in the Immediate Future
World Markets for American Manufactures
A department devoted to the extension of American trade in foreign lands.