TechnologyJuly 3, 1920
How Plate Glass is Made
The Tedious Process by Which Modern Technology Has Been Able to Make Glass without Blowing
Stories by Ralph Howard
TechnologyJune 26, 1920
Addressing Thousands Without Raising the Voice, Commercial Airplane Development and more
The SciencesJune 19, 1920
How Much Paper in Your Shoes?
The SciencesJune 12, 1920
Breaking the World's Motorcycle Records, Lantern Slides by the Yard and more
The SciencesMay 22, 1920
The Welded Joint in Structural-Steel Work
The SciencesMay 15, 1920
Making a River Pump its Water Uphill, Talking to Thousands by Electrifying and Amplifying the Speaker's Voice
HealthMay 8, 1920
Bringing the X-Ray to the Patient, Light-Filters for Observing Pilot Balloons
The SciencesMarch 20, 1920
America's Share in World Production, Paper and more
TechnologyMarch 13, 1920
Seeking the Seven-Mile Ceiling
Details of Major Schroeder's New Altitude Record of 36,020 Feet
The SciencesMarch 13, 1920
Welding a Lighthouse's Broken Legs
The SciencesMarch 6, 1920
A Year's Supply of Raw Material for the Melting Pot, Wartime Bureaus and the Taxpayer and more
TechnologyFebruary 28, 1920
Battling with Snow and Ice in the Streets of New York