Volume 126, Issue 6
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Features
The World's Wages--a Statistical Anomaly
The North Atlantic Ice Patrol
How the Coast Guard Cutters Broadcast the Position of Icebergs to Shipping
Beyond the Microscope
A Scientific Motion Picture Film That Depicts the Structure of the Atom
New Studies of Caries in Teeth
By Rail and By Water
The Combination Train and Tow Barges Invented by a Belgian Engineer for Use in the Congo
Uncle Sam and Radio
Further Developments in the Deliberations of the National Radio Conference and Future Probabilities
The Gentle Art of Radio Broadcasting
With the Speakers and Artists Who Are Heard But Not Seen Over the Radio-phone
Railway Motor Car of Special Design
Forecasting Earthquakes
How It Is Hoped to Make the Destructive Quake as Amenable to Prediction as the Daily Weather
Fast Cotton Dyeing
Utilizing all but the Squeal
A Survey of the By-Products Produced by Our Leading Meat-Packing Plants
Every Lamp Socket a Radio-Phone
General Squier's Latest Application of Wired Wireless and What It Means in Radio-Phone Broadcasting
Stop! Look! Listen!
Automatic Device Slows the Train at the "Distant" and Stops It at the "Home" Signal
Two-Cent Gasoline--A Pitfall for the Unwary Investor
A Relief Map that Fills Two Acres, Moving a House of Glass, and more
Planning Big Crimes
Some of the Details that Precede the Actual Commission of a Notable Robbery
Outdoor Auditoriums of Novel Design
Diesel Engine Wins its Way
Substitution of Heavy Oil Engine for Steam Engine in Harbor Lighter
Windproof Plate Glass Windows
Reducing Dreadnoughts to Scrap Metal
What the British Have Done By Way of Disposing of Their Obsolete or Discarded Fighting Ships
Salvarsan and Neosalvarsan
Building a Road with a Dredge
Sand, Pumped from the Mississippi River, Carries the Highway Across a Wisconsin Lake
The Light of the Night Sky
Why Did the Hermit-Crab Become a Hermit?
A Chapter from the Story of the Struggle for Existence That Accounts for This Curious Creature
Ashes and Sawdust the Basis of a New Industry
Speeding up Radio
New Methods Employed for the Automatic Reception of Radio Telegraph Dots and Dashes
Lumber from Sugar-Cane Waste
Bagasse the Raw Material for a Product Designed Largely to Replace Wood and Relieve Our Forests
The Comodoro Rivadavia Oil Fields
Argentina's Prospects of Entering the Group of Petroleum-Producing Nations
Evolution in Museum Technique
How the Lifelike Animal Groups of Today Are Executed
The Formation of Spiral Nebulae
The Problem of Mooring Airships
Proposed Method for the Safe Landing of Dirigibles, and Mooring Them Head to Wind
The Relation Between Body Size and Organ Size of Plants
Plants as Inventors
Sound Engineering Principles Practiced by Members of the Vegetable Kingdom
Gravitational Absorption
The Great Wall of China
A Geologist's Examination of the Oldest Artificial Structure in the World
Vitamine Food Tablets
When Tables Tip
The Latest Investigations Into the Externalization of the Psychic Power
Stretching the Five-Foot Shelf
An Invention That May Reduce the Size of Our Books to a Fraction of Their Present Bulk
The Treatment of Fuels by Direct Flame
Coking Coal and Gasifying Liquid Fuels Right in the Fire, Without Danger of Burning Them
The Inside of the Question
"What is the Matter with Our Colleges, and What Are They Going to Do About It?"