Features
Petroleum as a Substitute for Turpentine in Paints
Natural Products and Scientific Industry
The Evolution of Escapements
Rainfall of Great Britain
The Magnitude of the Coal Industry
The Sleeping Sickness
A British Seed-Testing Station
The English Correspondent of the Scientific American
Testing the Soundness of Cement
Port Tonnage of the World
Some New Automobile Accumulators
Electrical Power in West Africa
The Walls of Ancient Troy
Contemporary Electrical Science
A Novel Method of Transporting Photographic Negatives
Colliery Explosion Rescue Work—Some Interesting Experiments
On a Principal Cause of the Saltness of the Dead Sea
Some Speculations on the Nature of Comets
Electrical Notes
Engineering Notes
Trade Suggestions from United States Consuls
Patents!
Trade Notes and Recipes
Departments
- Departments
Correspondence - February 27, 1904