The Need of an Automatic Stop, Agriculture in the High Schools and more

Thirty-six Hours Under Water

A Submarine Propelled by Gasoline Engines While Submerged

A New Way of Studying Astronomy

The Ingenious Celestial Sphere Invented

To the South Pole with the Cinematograph

Film Records of Scott's Ill-fated Expedition

The Greatest Steamer in the World

Some of the Important's Marvels

Blasting With Liquid Air

By Our Berlin Correspondent

Price Maintenance and Modern Merchandising--I

Price Fixing by a Monopoly and Price Fixing by a Single Manufacturer

A New Road Material, A Septuagenarian Arctic Explorer and more