Features
Self-Igniting Devices for Coal-Gas
Machine for Carving Wood Moldings
American Railway Equipment
Marine Engines
Kerosene Vs. Gasoline
Aberration of the Sphericity of the Eye
Vanadium Steel
The Simplex Spraying Nozzle and Water Cooling System
The World's Coal Production
Industrial Application of the Diastases: The most Recent Discoveries
Some Details of the Paris-Madrid Racing Automobiles
Specially Prepared for the Scientific American Supplement by our Paris Correspondent
Direct Production of X-Rays in the Air
Trade Suggestions from United States Consuls
Electrical Notes
Trade Notes and Recipes
Engineering Notes
A Simple Circular Computing Scale
The Submarine Boats “Pike” and “Grampus”
Electric Sodium Manufacture in Germany
Hertzian Wave Telegraphy
Dr. Fleming's Third Paper
