Features
Typical Automatic Weighing Machines
Early Railway Traction
A Novel Four-Piece Mechanism
By the English Correspondent of the Scientific American
The Telefunken Ondometer for the Measurement of Wireless Telegraphy Waves
By Our Brussels Correspondent
Two Early American Letters on Electricity
The Influence of Pasteur on Medical Science
Reducing the Candle-Power of Gas
Preliminary Report on an Archeological Trip to the West Indies
Stone Amulets
Trade Notes and Recipes
Science Notes
Trade Suggestions from United States Consuls
Beating Gold Leaf
Lace Industry of France
Selected Formula
Patents!
The Scientific American Supplement. Index for Vol.57
Departments
- Departments
Correspondence - June 25, 1904