Ocean Cables and Wireless
As Weapons of Commerce
Features
Responsibility of the Dentist
The Deeps of the Pacific
A Wonderful Region of Mystery; Some of Its Inhabitants and Characteristics
Hybridization Experiments
A Neglected Chemical Reaction and an Available Source of Potash
Reduction of Highly Reactive Metals and Metalloids
Gas from Straw
Ordnance on the Allied Front—II
Developments in Artillery During the War
The Wool Product Dwindling
War Demands Have Caused a World Shortage
The Earth and Population
Oil from Grain Germs
Limitations of our Supply of Petroleum
Salt Water Aquaria in the Home
Soluble Nitrogenous Substances as an Index of the Baking Value of Flour
Boiler Corrosion
Rare Metals in the United States and their Alloys
Gasoline from Casing-Head Gas
Fractionating Apparatus for Gasoline and other Volatile Substances
Air Pumps and Condensers in Steam Engineering
Earthquake Weather
Notes on the Protection of Eyesight
Cannel Coal in the United States
Its Origin, Composition, Mode of Occurrence and Uses
