Volume 127, Issue 2
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Features
Where the Oil Goes
Our Strenuous Geological Survey--I
What it means to make a Topographic Map of the United States
New Literature for the Tourist, The Colloidal Theory of Rust
The Moss Rose
Policing the Ether
Bringing about order out of Disorder through the Radio Bill now before Congress
Fire at Sea
Means of Minimizing an Ocean Peril of Increasing Prevalence
New Class of Dyes Permits Dyeing of Two Colors Simultaneously, New Bearing Metal of Unusual Properties
Our National Military Policy
An Organization Embodying the Views of our Citizen Soldiers of the Late War
Dreams of the Blind
The Caribou Hydroelectric Plant
Thirty-Thousand Horsepower impulse Turbines, under one Thousand and Eight Feet Head
The Unification of Communication Engineering
The Present Trend toward our Vast System of Radio and Wired Wireless
The World's Longest Bridge
The Twenty-Mile Trestle Over Salt Lake on the Southern Pacific Cut-Off
Inside the Atom, Removing and Installing Large Turntables and more
Submarine Telegraph Cables
With the men who lay and repair these invisible strands that bind continents together
Relativity in the Films
By the Einstein Editor
A New Outdoor Wind Tunnel, An Electric Press for Scrap Metal
A New Era in Transportation
A Proposed 1100-Mile System of Train Ferriage on the Father of Waters
Corrosion of Chrome Steels, From Iron Ore to Automobile in Ore Plant, and more
Permeability
Self-Steering Vessels
Recent German Developments in Automatic Gyro Practice
The Rolling Dump that Uses No Power, A New Job for the Jitney
The Development of Accurate Ammunition
Rifle-Bullets that have made the Long-Range target match a Contest of Endurance
Ore Deposits Revealed by Plants
Science--A World Partnership
Some remarks upon the International Character of Successful Research
The Eight-Wheel Bus, Unloading with the "Tilting Truck"
After Ashokan--What?
Doubling the World's biggest Water-Supply System to take care of the Future
Novel Uses for Ultra-Violet Light
The Superlative in Power Lines
Breaking Records in the Transmission of Hydroelectric Energy
New Method of Fusing Glass, Measuring 65 to 85,000 Meter Wave Lengths
Garbage in Working Clothes
The Efforts now being made to get the value out of this Municipal Waste
The Nature of Soil Fertility
Curbing the Mississippi
Levee Construction the Only Practicable Method for Restraining the Flooded River
Conquering the Dome of the World
Sand Fence of Old Cross-Ties, Germany's Forthcoming Skyscrapers and more
Psychology as a Business
How the Leading Exponents of this Profession Have Organized for Commercial Service and Research
Fighting a Mud Run
Stonehenge--The Enigma of Salisbury Plain
Two New Theories Based on Recent Discoveries During Restoration
Do Tables Tip?
Some Critical Comment on Crawford's Investigations and Carrington's Summary Thereof