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Shells That Will Dive

[a proposed method of attacking submerged submarines with shellfire]

Can Shell-Scarred Battlefields Be Cultivated?, The Nursing Place of Industrial Evolution, and more

Successful Handling of a Difficult Salvage Task

How the Tanker "Gut Heil" Was Rolled Over and Refloated

Strategic Moves of the War, January 30th, 1918

By Our Military Expert

Improving War Bread With Lime-Water

A Disagreeable Feature of the French Intensive Milling, and How It Was Remedied

Thirteen-foot Model of the World's Most Active Volcano

Faithful Reproduction of the Kilauea District in Hawaii on a Scale of 1-1500

By Reginald A. Daly

Our Enemies in the Air

How Germany Is Preparing to Meet American and Allied Air Fleets

By C. Dientsbach

World Markets for American Manufactures- February 9, 1918

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

By Wiliam W. Sniffin

A Way To Enormous Coal Economies

Why Transport Fuel When We Could So Much Better Transport Power?

Obtaining Electricity Direct from Coal Gas


  • Letters

    Correspondence- February 9, 1918

  • Departments

    Inventions New and Interesting- February 9, 1918

  • Recently Patented Inventions- February 9, 1918

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