Departments

• Departments

  High Speed in War Vessels—The "Variag" and the "Viper"

• The Protection of American Game

• Operation on the Xiphopages

• Petroleum Fuel for Warships

• A Novel Engine for Die-Sinker's Use

• Electrical Top and Motor

• Water Measurement and Manipulation in Colorado

• The Paris Exposition

• The Ascension of Count Zeppelin's Airship

• Underground Electric Railway, LondonMethods of Construction

• The Petrified Forest of Arizona

• Recent Experiments with the Radiations of Polonium and Radium

• Index of Inventions

• To Inventors

• New Books, Etc.

• Recently Patented Inventions

• Notes and Queries

• Business and Personal

• Patents