The SciencesNovember 1, 1923
Shifting Speeds with an Oil Pump
Some Details of a New British Variable-Speed Gear Without Gear-Wheels
Stories by P. J. Risdon
The SciencesOctober 1, 1923
The Wembley Park Stadium
Built in London, the Largest Sports Arena to Date, with a Capacity of 125,200 People
TechnologyMay 1, 1923
When the Camera Turns Sculptor
An Ingenious Combination of Magic Lantern, Camera and Carving Machine for Photo-Sculpture
EnvironmentApril 1, 1923
Irrigation in Australia
The Murrumbidgee Project, with Storage Capacity for 200 Billion Gallons
TechnologySeptember 1, 1922
The St. Gothard Electrification
Taking the Inefficient and Smoky Steam Locomotive Out of Europe's Greatest Tunnel
The SciencesSeptember 1, 1922
The Sydney Harbor Bridge
An Australian Engineering Work of the First Magnitude
The SciencesAugust 1, 1922
Fighting a Mud Run
The SciencesJuly 1, 1922
When Steel Beams Stretch
A New Instrument for Observing and Photographing Stresses in Iron and Steel
TechnologyMarch 1, 1922
Roentgen-Ray Photography
Some Recent Applications of the X-Ray, and Some Bizarre Results