The New United States Infantry Magazine Rifle

The Distribution of Compressed Air in Paris

Specifications for a Proposed Catamaran air Ship for United States Coast Defense

The Chilean Cruiser Blanco Encalada

A Typical Gold Mine

Incline Shaft and Lower Levels

Wearing away of Metal Plates by the Action of Steam Jets

The Gas Fields of Indiana

A Farina Factory

On the Presence in Paper of Residual Chemicals used in its Preparation

An Improved Still

The Magic Diver

The Arrangement of Dessert Fruit

Chief Sources of Aluminum

A Military Balloon Accident

A Toy Parachute

Photometry

The Measurement of Fusing Point Temperatures

Mars

The Lowell Observatory — Observations of the Planet Mars during August

The Paris Observatory—The Oldest and Newest Telescopes

Insect Secretions

On Acquired Facial Expression

Patents!