Features
What Shall we Say to Mars?
A System for Opening Communication Despite the Absence of Any Common Basis of Language
Iron Castings from Steel Scrap, Using Brick and Wood in Reinforced Concrete and more
Paper from Cottonseed Waste
The Future of the Cotton Industry
What Organized Research Promises to Do for Grower and Manufacturer
Strange Things to Eat
Some Random Selections from the Cosmopolitan Larder of New York, City of All Nations
New Orleans' Industrial Canal
A Six-Mile Waterway Connecting the Mississippi with the Gulf
Finger Signals for the Motorist, Breaking Away from the Conventional in Mail Airplanes and more
Potash from a New Source, Airplane Service Between Denmark and Germany and more
Quick Dry Lacquer Coating, Protecting the Surface of Aluminum from Corrosion and more
Departments
- Departments
Correspondence - March 20, 1920
The Service of the Chemist
The Motor-Driven Commercial Vehicle