Scientific American Magazine
Volume 81, Issue 25You are currently logged out. Please sign in to download the issue PDF.
Features
Tunnels Versus Bridges for Rapid Transit
Opening of the New St. Lawrence Canal Locks
"The Wish Is Father to the Thought"
Relation of Rainfall to Boiler Scale
"Advance Sheets" of the German Consular Reports
Tropical Products of Our New Possessions
New York's Trade in Wild Animals
Railway Safety Appliances - December 16, 1899
Ancient Egyptian Porcelain
Our Exports of Iron and Steel
The Automobile Cup
The Naval Guns at Ladysmith
Hauling Logs by Motor Trucks
A Tool for Reloading Empty Cartridge Shells
The Engines of the First-Class Battleship "Wisconsin"
The Trojan Horse at the Paris Opera House
A New Safety Valve
A California Verde Antique Quarry
A Novelty in Railroad Collisions
A New form of Fire-Escape and Lowering Apparatus
A Switch-Throwing Device for Cars
How Sculptors Change the Scale of Their Statues
Departments
Correspondence - December 16,1899
Recently Patented Inventions - December 16, 1899
Notes and Queries - December 16, 1899
New Books, Etc - December 16,1899
Business and Personal - December 16, 1899
Index of Inventions - December 16,1899
Patents - December 16, 1899