Stories by Jacques Boyer

The Use of X-Rays With Intervals of Red Illumination, Effect of Static Charge Upon Rubber and more

Making of X-Ray Tubes in War Time

How the Unparalleled Demand for Tubes Was Met by French Manufacturers

Manufacture of Steel Helmets for the French Soldiers

Why and How Two Million of These Head Protectors Were Made in Six Months

Proving Grounds for French Artillery

A Laboratory Battlefield

The Manufacture of Chicory

A Franco-Belgian Industry Stopped by the War

Photographing Speech

Some Recent Investigations by Dr. Marage

The Scientist and the Athlete

The Physiological Laboratory of the French Military School at Joinville

Further Experiments on Life Without Microbes

The Colin-Jeance System of Wireless Telephony

New Apparatus With Which Telephonic Communication Has Been Carried On Over Sixty Miles

An Automobile Radio-Telegraph Station for War Use

Wireless Car for the French Army Equipped with Powerful Field Apparatus

Pneumatic Grain Elevators

The Ideal Method of Handling Cargoes

The Scientist and the Athlete

The Physiological Laboratory of the French Military School at Joinville

Protection From X-rays in Radiography

The Devices of Dr. Maxime Ménard

Motion Pictures of Vocal Chords

An Ingenious Instrument for Studying Vibrations

The Bourlet-De Guiche Vibrometer

The Experimental Laboratory of the Automobile Club of France

Testing Internal Combustion Engines for the Automobile, the Flying Machine and the Farm

A Disease of Old Leaden Art Objects

How Corrosion may be Retarded by a Protective Coating

An Electric Hotel in Paris

Are Men Better Typists Than Women?

Interesting Scientific Tests Made by J. M. Lahy

Sawing a Bridge with a Wire

An Old Idea Revived and Improved