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Features

How Big is Our Merchant Fleet?, The Advent of Colloidal Fuel and more

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

By Albert Prince of Monaco

Locating Unexploded Shells on the Battlefields of France

By F. Honoré

Sir William Crookes

An Appreciation of a Great Physicist and Chemist

By John W. N. Sullivan

The French Problem of Reconstruction--I

In the Path of the Shell

By C. H. Claudy

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.

By Lynn W. Meekins

Measuring Evaporation at the Panama Canal, Peace Uses of Gas Masks and more

The Current Supplement

New Industrial Uses for X-Rays

Departments

  • Departments

    The Motor-Driven Commercial Vehicle

  • The Service of the Chemist

  • Recently Patented Inventions - April 19, 1919

  • Notes and Queries - April 19, 1919

  • New Books, Etc. - April 19, 1919

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April 19, 1919

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