Design For Sales
Industrial Design Promotes Profits . . . Not Mere Decoration . . . Built-in Appearance of Competency with Charm Expresses Machine Age . . . Quality Now Comes with Quantity . . . Competition is the Driving Force
Volume 157, Issue 2
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Features
Twins
The 200-inch Telescope Mirror Disk Under Initial Work
Old Problem—New Progress
How a Century-old Obstacle Has Been Avoided in Dealing with the Astronomer's "Problem of Three Bodies" . . . Special Problem Just Solve
Rail Freight's Modern Tempo
Freight Train Schedules Faster, Research Improves Cars, Shipments Protected, Larger Car Loads, Rail Service to Customer's Door
Radium—Nature's Oddest Child
Strange Experiments . . . Only One Chemist Survived . . . A Little Mistake that Cost $35,000, an Explosion, and a Sneeze that Cost $13,500
Pyramid Temple
The Most Spectacular Discovery of Archeological Specimens in Original Position Ever Made in the New World . . . The Jaguar Throne of Chichen Itzá
The Endocrine Brain
Hormones from the Ductless Glands, Problem of the Pituitary, Giants and Dwarfs, Thyroid Hormone for Stout People, Made a Rooster Broody