Features
The Underground Trolley and the Third Rail in Electric Traction
Armored Torpedo Boats
Improved Ball Bearing for Bicycle Hubs
The Perfected Duryea Carriage
The American Museum of Natural HistoryIts Collections and WorkThe Mounting of the Elephant "Tip"
Logging in the Sierra Nevada Mountains, California
The Eiffel Tandem
A Novel Camera
Departments
- Letters
Correspondence - December 19, 1896
- Departments
Recently Patented Inventions - December 19, 1896
Index of Inventions - December 19, 1896
Notes and Queries - December 19, 1896
Business and Personal - December 19, 1896
Patents! - December 19, 1896
