Features
Tropical Specialties for Porto Rico
The Exposition as an Educational Force
Osmon, a New Combustible from Peat
Phosphorescent Crystallization of Arsenious Acid
The Influence of Milking upon the Quantity and Quality of Milk
The Locomotive-Testing Plant at the World's Fair
The St. Louis Correspondent of the Scientific American
Counterweighted Cable Tramway
A Novel Wave Meter for Wireless Telegraphy
By Our Berlin Correspondent
A Handless Clock
Aeroplane Experiments
Trained Animals at the World's Fair
By the St. Louis Correspondent of the Scientific American
The Bee as an Artisan
Transportation Old and New
Business and Personal Wants
Departments
- Departments
Correspondence - August 6, 1904
Index of Inventions - August 6, 1904
Recently Patented Inventions - August 6, 1904
Notes and Queries - August 6, 1904
Patents - August 6, 1904