The SciencesMay 1, 1924
Exploring Within the Steel
How Magnetic Analysis Indicates the Presence of Flaws in Rails and Beams and Hoisting Cables
Stories by A. G. Ingalls
HealthMarch 1, 1924
The Gelatine You Eat
How the Pure Food Laws Restrict the Raw Materials of which It Is Made
The SciencesFebruary 1, 1924
Remolding Our Civic Clay
How the City Planner Guides the Previously Misdirected Growth of Our Communities
The SciencesOctober 1, 1923
Behind the Underwriters' Label
The Gruelling Tests Imposed by the Insurance Man Upon Materials and Appliances
TechnologySeptember 1, 1923
Sprayed Rubber
A New Hopkinson Process of Making Rubber which May Revolutionize the Rubber Industry
The SciencesAugust 1, 1923
Camouflage and Carpentry
How the Housing Shortage Has Played Into the Open Hand of the Jerry-Builder
EnvironmentJune 1, 1923
Tearing Down to Build Again
How the House-Wrecker Squeezes the Last Dollar of Value Out of the Buildings That He Handles