Scientific American Magazine
Volume 93, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
High Velocities and Gun Erosion
The Electrical Value of Wind Power
The Offer to Build the Panama Canal by Contract
The Suez Canal Explosion
Another North Pole Balloon Expedition
The Prevention of "Colds"
The Visiting British Fleet
The Long Island Railroad Electrified
A Visit to the Volcano Poas
An Automobile Economy Test
The Maximum of the Present Solar Cycle
Captive Hippopotami
Automatic Switch Thrower for Street Railways
An Automatic Bicycle Pump
Business and Personal Wants
Departments
Correspondence - November 18, 1905
Recently Patented Inventions - November 18, 1905
Notes and Queries - November 18, 1905
Index of Inventions - November 18, 1905
Patents - November 18, 1905
