The Periodic Submergence of Europe
An Examination of Hébert's Views of 1857
Features
The Carriage of Disease by Insects
A Vacuum Cleaner for use on Streets
Extracting Benzol from Coal Gas
The Conservation of the World's Teeth
A New Occupation for the Crippled Soldier
Ancient Distribution of the Labrador Eskimo
Finishing Concrete Road Surfaces
Commercializing a Cuban Jungle
Creating a Sugar Plantation in a Virgin Forest
Oil makes Millionaires
Fortunes Created by Eccentricities of Nature and War Prices
A Gas Pressure Reducer
Measuring Starlight by Selenium
Shipyard Cranes
Details of Equipment Installed in Rotterdam
Recent Data concerning Palm Oil
Human Measurements and “Resistance Formulas”
Insects that Deceive
How Nature Protects its Weaker Members
Dasheen finds Favor
Root Crop Comparable to the Potato Newly Introduced in South
The Organization of Thought—II
The Basis of Organized Action
