Scientific American Magazine
Volume 56, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
The Annual Attack Upon Our Patent Laws
The Multicharge Cannon
Revival of Patent Nullification
Our Building Stone Supply
Dynamo Electric Igniting Machine
Improved Hopper Dredger
Waves Utilized to Pump Water
Fertilizer Distributer
Ax with Detachable Blade
Repairing Rails
Safety Loop for Harness Checks
New Steam Fire Engine
New Processes in the Manufacture of Beet Sugar
The Gibbon in the Berlin Zoological Garden
Science in Toys
Engineering Inventions - January 8, 1887
Mechanical Invention - January 8, 1887
Agricultural Invention - January 8, 1887
Miscellaneous Inventions - January 8, 1887
To Inventors - January 8, 1887
Departments
New Books and Publications - January 8, 1887
Business and Personal - January 8, 1887
Notes and Queries - January 8, 1887
Index of Inventions - January 8, 1887
