A Perpetual Electric Current, Wilkes Land Up to Date, and more

Watercycle Races

A Curious Contest That Took Place at Enghien-Les-Bains

Steering Air Craft at Sea

Some of the Difficulties of a Transatlantic Flight

Did Prof. S. P. Langley Invent the First Practical Flying Machine?

Further Changes in the "America's" Bottom, Phosphorescent Air Craft

By Our Staff Correspondent at Hammondsport

An Alpine Museum

Crossing "Greenland's" Icy Mountains

The Three Recent Expeditions Across the Great Ice-Cap

Notes and Queries- July 25, 1914

Lessons from the Railroads for the Truck Owner, Motor Truck