Features
The World's Horned Heads
The National Collection at the New York Zoological Park
The Romance of Invention--III
The Patent That Flew
The Sea Sled
A Remarkable Boat That Skates on the Water at Incredible Speeds
Red Rock Canyon
One of California's Unvisited Splendors to be Made Accessible by the Roosevelt Highway
X-Ray Photographs of Plants and their Parts, Condition of the Port of Ostend and more
Departments
- Departments
Correspondence - October 4, 1919
Inventions New and Interesting - October 4, 1919
