Features
The Panama Terminals
Recent Pier Construction at the Ends of the Canal
Coöperation and Industrial Progress
An Opinion as to Why and How the Employees Should Share in Plant Management
Wild Animal Models at the Zoo
How New York's Painters and Sculptors Work from Nature in Their Representations of Wild Life
Gas and Steel
Some Facts and Figures on the Heat Treatment of High and Low Carbon Steel
Training Men for Foreign Fields, Marking American Goods and more
Departments
- Departments
The Service of the Chemist - February 7, 1920
Inventions New and Interesting - February 7, 1920
Recently Patented Inventions - February 7, 1920
