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General Goethals a Great National Asset, The Secretary and the Submarine, and more

Astronomy- August 11, 1917

Science- August 11, 1917

Aeronautics- August 11, 1917

Halifax's New $30,000,000 Docks

By John F. Stephens Jr.

The Submarine Problem--XI

Protecting a Convoy by Overlapping Lines of Towed Nets or Plates

Strategic Moves of the War, August 2nd, 1917

By Our Military Expert

A Place for Everything

The Problem of Supplies and How It Is Being Handled by the Storage Committee
"The supply divisions are vital to any military success."

By C. H. Claudy

Mount Wilson's 100-Inch Reflector

Gigantic Telescope Mounting That Required the Machinery of a Shipyard For Its Construction

By Francis G. Pease

Infantile Paralysis in New Zealand, Zoological Statuary

Starving a Fire by Means of a Blockade of Steam, A New Permanent Magnet Steel, and more


  • Departments

    Inventions New and Interesting- August 11, 1917

  • Recently Patented Inventions- August 11, 1917

  • Foreign Commercial Notes and Queries- August 11, 1917

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