Scientific American Magazine
Volume 41, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Hose Coupling
A New Gas Exhauster Governor
Pluck and Energy Sufficient Capital for Pioneers
Contamination of Drinking Water
The North-Northwest
Pah-Gosa Springs, Colorado
Defeat of the Cochrane Patents
Recent American Patents
New Cuff Holder
A New Sewer Trap
A New Portable Engine
A Magnetized Watch
Recent Mechanical Inventions
Amateur Mechanics
New Drag Sawing Machine
Machinery for Making Shingles
Jones' New Press Machine and Process
Miscellaneous Inventions
Scarus Quacamaia, or Great American Parrot Fish
The Mara
Ancient Keys
Communications Received - July 12, 1879
Departments
Correspondence - July 12, 1879
New Books and Publications - July 12, 1879
Notes and Queries - July 12, 1879
Business and Personal - July 12, 1879
Index of Inventions - July 12, 1879
Patents - July 12, 1879
