Scientific American Magazine
Volume 39, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
The Torpedo Vessel, Destroyer
Steam from Petroleum
Another New Electric Light
A Remarkable Bank Robbery.-Scientific Safe-Guards Neglected
A Grand World's Fair in New York
The Paris International Patent Congress
The Motion of a Wagon Wheel
Patent Rights, and Who Oppose Them
A Steam Juryman
A New Gas Regulator
Combined Traction Engine and Steam Fire Engine
Van Rennes' Caloric Engine and Pump
The Watson Pump
Locomotive for the Metropolitan Elevated Railway
Pipe Wrench and Cutter
New Mortising Machine
Drilling Square Holes
Russian Pottery
Astronomical Notes
Some Modifications of the Microphone and Telephone
The Rockport Granite Quarries
Communications Received
To Inventors
Departments
Correspondence
Index of Inventions
Notes and Queries
Business and Personal
Patents
