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Features

A Ship Within a Ship

[designing a merchant ship to be resistant to torpedo attack]

The War Behind the Front, Alien Crews on Our Merchantships, and more

[Lead editorial is about the perceived German propaganda efforts worldwide]

Building a Dam of Concrete Slabs

An Interesting Type of Construction Adopted in the Twin Cities River Improvement

By J. F. Springer

Blowing Up the Enemy

Large-Scale Mining Operations as a Weapon of Offensive Warfare
[article on mining operations, with reference to mines on Messines Ridge and the Castelletto in the Dolomites]
[the cover image of the issue is associated with this article]

Strategic Review of the War, February 12th, 1918

By Our Military Expert

The World in Miniature

Why Models Are Built and How They Are Built

World Markets for American Manufactures- February 23, 1918

A department devoted to the extension of American trade in foreign lands

By William W. Sniffin

Guide Carriage for Laying Large Sewage Concrete Pipes in Tunnels

By Frank C. Perkins

The Three-Decker and the Dreadnought

[article on the costs of building battleships]

By Percival A. Hislam

Departments

  • Letters

    Correspondence- February 23, 1918

  • Departments

    Inventions New and Interesting- February 23, 1918

  • Recently Patented Inventions- February 23, 1918

  • Notes and Queries - February 23, 1918

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February 23, 1918Cover Image: Firing a mine under the enemy's position
[mining and counter-mining under the battlefield became a significant weapon in the arsenal of both sides]

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