Volume 126, Issue 4
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Features
How America's Male and Female Workers Earn their Daily Bread
World Crops for America
How Modern Science Combs the World for New Things to Eat, Picking and Choosing for the Menu of the Future
Thunderstorm-Breeding Spots and Engineering Design
Applying the Lessons of Industry to the Theater
Ingenious Devices, Partly or Wholly New, Incorporated Into New York's Newest Play-House
Articulated Trains
A Method of Reducing the Weight and Improving the Riding of Railroad Trains
The Toronto Meeting, Air for the Miners
At the Sending End of Radio
Spanning the Atlantic with Fifty Watts of Electrical Energy, and a Few Facts Regarding CW Transmitters
The First, and Last, 18-Inch Naval Gun
The Leading Naval Powers Have Agreed to Build No Guns Greater Than 16-Inch
Soaring Birdmen
A Study of Soaring Birds and a Review of Recent Glider Experiments in Germany
Biological Effects of the Tides
Making Two Dirigible Sheds into One, Four-Footed Transatlantic Passengers
A Pump-Power Railroad
How Gravity, Through Water-Filled Tanks, Draws Passengers Up a German Mountain
Will the Direct Current Era Return?
Discussing the General Question of Oscillating and Rectifying Vacuum Tubes as Applied to Power Distribution
The Tomb of an Egyptian Queen
The Metropolitan Museum Scores Another Triumph in Finding the Sarcophagus of Aashait
Burning Up the Corn
An Emergency Measure of the American Farmer, and What It Means
Magnetism in Human Beings, A Mechanical Sun and Moon
Curbing the Colorado
Flood Control, Irrigation, and Power Generation All In One Gigantic Construction
Comfortable Houses Made of Straw
The Earliest Inhabitant
Some of the Simplest of the Animal Forms that Go Back Into Geological Time
The Latest in Speed Boats, The All-Steel Grade Crossing, and more
Why the Mail Plane?
The Things That Make This Daily Flying on Schedule Worth All It Costs, and More
Populations and War
Pouring Concrete Under Water
Barge Canal Dock Walls at Buffalo Built Without the Use of Coffer-dams
Capacity Effects in Inductance Coils
What and Why Is a Contour?
Petroleum Wastes and Savings
The Peer of Decorative Hardwoods
Rosewood: What It Is, Where It Comes From, and What It Is Good For
Packing Perishable Foods in Inert Gas, Washing London Fog Out of the Atmosphere of a Motion Picture Studio
A Ship Without a Bottom
How the "F. D. Asche" Was Towed from Florida to New York with Only a Blanket of Compressed Air to Keep the Sea Out of Her Gaping Hull
Lost in Transit
Tons of Silver from Waste Hypo
An Interesting By-Product of the Present-Day Motion-Picture Industry
A Drill for the Tree-Dentist, Auto-Bus Stability, and more
Exactitude in Propeller Manufacture
The Substitution of Accurate Mechanical Methods for the Old Sweep and Pattern
A Steam Car that is Different
Gas-Car Control and Gas-Car Finish with Steam-Car Smoothness
Evaporing Apparatus That Dispenses with Fuel, Automatic Traffic Regulation
Scientific Road Legislation
How the Federal Highways Act Will Take the Hit-Or-Miss Characteristic Out of America's Road System
The Raw Materials for Artificial Daylight
Some of the Little-Known Processes and Machines Used in Making Incandescent Lamps