Features
The Carrier of Malaria
Museum Models Which Reveal the Structure of Anopheles Maculipennis
With Trees for Ears
A Wireless Station Within the Reach of Everybody
Invention as the Foundation of the Nation's Wealth
Exhibition of the Interior Department Which Emphasizes This Side of the Work of the Patent Office
For the Motor Tourist
What an Adequate System of Road and City Signboards Can Do for His Guidance
The Wireless Incendiary
Southern California's Burning Canyon
Shale-Bearing Rocks Whose Slow Spontaneous Combustion is Manifest in Clouds of Smoke and Steam
The Seaplane Carrier Argus
A Ship With a Five-Hundred-Foot Starting and Landing Platform for Seaplanes
Valuable By-Products from Gold Dredging
The United States Patent Office as a National Asset, Rabies and the Public Health Problem and more
Departments
- Departments
Correspondence - June 14, 1919
Inventions New and Interesting - June 14, 1919
Recently Patented Inventions - June 14, 1919