The SciencesSeptember 1, 1937
America's Cup Defender Ranger, Rubber and more
Stories by F. D. McHugh
The SciencesJuly 1, 1937
"Plug-in" Instruments to Aid Industrial Use, Safe, Silent, Personal Electric Fan and more
The SciencesMay 1, 1937
70,000 Clocks Adjusted Free, Strong and more
TechnologyJanuary 1, 1937
Status of World Navies
Recapitulation of Treaty Navies as Washington Naval Limitation Treaty Expires December 31, 1936
The SciencesNovember 1, 1936
How Do You Read?, Longest Gas Line and more
The SciencesOctober 1, 1936
Stopping Humming Birds' Wings, Gasoline from Gas and More
The SciencesSeptember 1, 1936
Horse and Buggy Bridges
Forgotten Bridges Old, Weak, Not Built for Modern Vehicles, Narrow Bottlenecks, Hamper Traffic, Unsafe, Endanger Life
The SciencesSeptember 1, 1936
One Million Inches of Fine Ruling on Glass, Leaping Lena and more
The SciencesAugust 1, 1936
A Steam-Driven Elephant, "Rubber" to New Guinea and more
The SciencesJuly 1, 1936
Pawnbroker's Microscope, Biologist Produces a Unicorn and more
HealthJanuary 1, 1936
Surer Artificial Respiration
Nielsen Life-Saving Technique Surpasses, by 41 Percent, the Widely Used Schaeffer System
The SciencesDecember 1, 1935
Planetarium Staff, Photo-Cell Output and more
The SciencesOctober 1, 1935
Water Weight, Fingerprints Raised from Cloth and more
The SciencesSeptember 1, 1935
An Ancient Egyptian Sundial, Laboratory Tests for Rugs and more
The SciencesAugust 1, 1935
U. S. Excels in Wasting Soils, Reflection in Boulder Dam Lake and more
The SciencesJuly 1, 1935
Pneumatic Rivet Passer, Gun Detector and more
TechnologyJune 1, 1935
Color Photography for the Amateur
Dufaycolor, Uses Fine Three-Color Screen, Needs No Special Equipment, Kodachrome, Self-Contained Screenless Filters, Simplicity a Feature
The SciencesApril 1, 1935
Probing Into Brain Processes, Attachment Cuts Blow-Out Danger And more
The SciencesMarch 1, 1935
Ejector Ice Cube Tray, Wheeled Centipede in Africa and more
The SciencesDecember 1, 1934
Movies Analyze Industrial Operations, Flexible Cord Reel and more
The SciencesNovember 1, 1934
Diesel Fuel Injection Pump, Amateur Photomicrography and more
The SciencesOctober 1, 1934
Bathysphere Has New Quartz Windows, Noiseless All-Wave Radio Antenna System and more
The SciencesSeptember 1, 1934
Remote Control for Arc Welders Cuts Costs, Silver Soap and more
The SciencesAugust 1, 1934
Composing A Picture