Volume 127, Issue 5
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Features
International Fisherman's Deep-Sea Race
Gliders and Gliding
Recent German and French Gliding Contests and Their Bearing on Aeronautical Progress
Safes and Safe-Breakers--II
The Present Status of the War Between Safe Builder and Cracksman
To Keep the Home Fires Burning
Expert Opinion on the Coal Shortage of the Coming Winter and How the Householder May Meet It
Wood-Wasps Which Gnaw Through Leaden Plates
A Cable-Way Among the Clouds
How Passengers Are to be Carried Up Mont Blanc in a Suspended Cage
Keeping Irrigation Ditches Clear
From the Bourse to Wall Street
How the World's Largest Radio Station Links Paris with New York City
Measuring the Load on Locomotive Wheels, Electric Tire-Heating Apparatus
Direct-Drive Diesel Locomotive of Novel Design Proposed by a British Engineer
When Gears and Levers Replace the Cigar Maker's Adept Fingers
Conserving Crops by Fumigation
Irrigation and Water-Power in Palestine
A Big Job in Fine Dimensions
Making the Millions of Matrices for Type-setting Machines
The Musical Typewriter--A Device for Transposing and Recording Music
When Optical Illusions Aid the Engineer
A Familiar Instance of False Appearances, and the Practical Use Made of It
Taking Bossie's Nose-Print, The Benefits of Research in Agriculture and more
Post-War Artillery
Developments in Large and Small Guns Since the Warring Days of 1918
Motion Pictures by Radio
The Promise of "Movie" Broadcasts, with Receiving Stations in Every Home
Our Chinese Customers
One Answer to the Problem of How to Work Our Factories to Full Capacity
When Tracks Tell their Troubles
New Method for Determining Deflection of Rails Under Traffic
Putting Glassware Through the Testing-Mill, Applications of the Thermionic Valve and more
Hypnotism--Fact or Fake?
What Modern Science Has to Say About an Age-Old Manifestation
Steam Baths Among the California Indians, A Possible Reconciliation of the Atomic Models of Bohr and of Lewis and Langmuir and more
Individual Atmospheres Made to Order
How Push Buttons Control the Ventilating and Heating System at Each Seat In the Recently-Completed London County Council Building
Beating Lightning at its Own Favorite Game
The Tides
The Catapult of the Fern
A Study of a Remarkable Mechanism for the Dispersal of Spores
Eliminating Static by Means of the Resonance Coil, Handling the Parachute on the Ground and more
Our Strenuous Geological Survey--IV
With the Men Who Have Penetrated and Mapped the Wilds of Alaska