The Sciences
Stories by Jacques Boyer
The Sciences
Reading between the Lines
Methods of Invisible Writing Employed during the War, and their Detection
The Sciences
Mixing Liquids by Machine
Health
Keeping Check on Factory Air
The Sciences
Artificial Ammonia
The Claude Process, Now in Successful Operation in France
The Sciences
Artificial Fertilization of Flowers, Pulling Cables by Auto-Power and more
Technology
The Wireless Incendiary
Technology
Weighing the Temperature for Blind Folk, A Stretcher that Gives up its Load Painlessly
The Sciences
When the Hun Comes to Paris
The Huge Sirens That Warn the Population to Take Shelter
[air raids on Paris]
[the cover color illustration is associated with this article]
Technology
Testing Eggs by Photography
Some of the Things Which the Eyes of the Camera Sees When it Looks Through the Hen's Creations
Health
The High Heel in Motion Picture and X-ray
The Latest Scientific Wrinkles as Applied by French Doctors to Investigating This Sore Subject
The Sciences
The Absent Treatment in Efficiency Tests
Bringing the Nerves of the Battle Line into the Laboratory
By Jaques Boyer
"building up of a series of tests, partly mental and partly physical, by means of which a candidate for aviation or ambulance driving or some other special work is made to reveal his ability to do that work,"...
Health
When the Surgeon Sews
The Manufacture of Catgut for Hospital Use in France.
Health
New Types of Artificial Arms for Victims of the War
Ingenious Devices which Enable the Maimed to Resume their Places in the Industries
The Sciences
New Devices to Aid the Wounded
Hands and Limbs that Enable Expert Operations to be Performed
The Sciences
New Apparatus for Internal Diagnosis, Military Use of Sabadilla in the Manufacture of Tear-Producing Gases
Mind & Brain
Selecting Aviators
Psycho-Motive Examination of Candidates for the French Service
The Sciences
Newspapers that are Printed Within Gun Range of the Enemy [trench newspapers]
Trench journals from French soldier-journalists.
The Sciences
Automobile Dental Shop of the French Army, A Detachable Headlight Dimmer of Novel Design and more
The Sciences
Kapok—A New Textile Fibre
Its Manufacture and Industrial Applications
