Features
Economy of the Electric Underground Trolley
The Preliminary Speed Trial of the "Alabama."
Fall of the Chicago Coliseum
The Prolonged Distress in Porto Rico
Generous Criticism--And the Reverse
In Search of an Effective Trolley Car Brake
Velocity of the Wind
Science Notes
Scientific Congress at Columbus
Simple Means of Cooling Drinking Water
A Simple Chimney Top and Cowl
The Accurate Weighing of Locomotives
A Contrast in Noses
A Time-Stamp for Mercantile Use
The Snake Dance of the Mokis.--II
The Mungsten High-Level Arch Bridge
Proposed Armament for our Three Latest Battleships
A Novel Electrical Effect
Photography of the Stomach
The Scientific American Cyclopedia of Receipts, Notes & Queries
Departments
- Letters
Correspondence - September 9, 1899
- Recommended
New Books, Etc.- September 9, 1899
- Departments
Recently Patented Inventions - September 9, 1899
Business and Personal - September 9, 1899
Index of Inventions - September 9, 1899
Notes and Queries - September 9, 1899
Patents - September 9, 1899
