Protective Pessimism, The National Peril of Platinum Jewelry, and more

Britain's Bid for the Control of the Air

The Airman's Duties at the Front and How He Executes Them
By Lieut. G. L. Faulkner of the British Royal Flying Corps

Strategic Moves of the War--May 23rd, 1917

By Our Military Expert

The Modern Automobile Torpedo

The Elaborate Internal Mechanism with Which It Drives and Steers Itself

The Romance of the Unsuspected

Nature's Poison-Gas Retorts

Mobilizing our Medicine

How Salt Water Climbs the Miraflores Locks

The Mechanics of Marching

A Few Points for the Weary Foot-Soldier

How the American Artists are Helping their Navy

"In this war the American painter and illustrator is hard at work helping the Navy in making publicity for recruiting."

Submersible the Ultimate Answer to the Submarine

Some Particulars of a 5,000-Ton, 8-Knot Freighter for Transatlantic Service

Gold Dredging at Sixty Below Zero