Features
The Sixth Award of the Scientific American Medal for Safety Devices
Stretchers of Straw for the Dutch Army, Phonograph and other Mechanical Aids for the Aviator, and more
Doing Without Europe--IV
How Industrial Research Will Help the Manufacturer Hitherto Dependent Upon Europe for Basic Materials
The Government Ship Purchase Bill--I
A Defense of the Administration's Policy
The United States an Undefended Treasure Land - Part III
Back of the Regulars and Volunteers We Need in the Event of Invasion a Force of Trained Volunteers and Officers
How Epidemics are Fought in the Austrian Army, The Meat Supply of the United States and more
How Epidemics are Fought in the Austrian Army, by the Berlin Correspondent of the Scientific American; and more
Departments
- Departments
Recently Patented Inventions - February 20, 1915
Notes and Queries - February 20, 1915