Scientific American Magazine
Volume 49, Issue 15You are currently logged out. Please sign in to download the issue PDF.
Features
Edison Dynamo Electric Light Machine
Obach's Galvanometers
Natural History in Public Schools
The Making of Steel Pens
Petroleum for Heat
Marengo Cavern
Automatic Circuit Closer
Counterbalance
Novel Sewing Machine Shuttle
Fire Arm
Deep Rock Cuts Near New York
Wagon Tongue Support
The Cable Cars of the Brooklyn Bridge
The Crowned Pigeon
The Champion Steam Trap
Pole and Shaft for Vehicles
Agricultural Inventions
Engineering Inventions
Miscellaneous Inventions
Mechanical Inventions
Departments
Correspondence
New Books and Publications
Business and Personal
Notes and Queries
Index of Inventions
