Scientific American Magazine
Volume 32, Issue 12You are currently logged out. Please sign in to download the issue PDF.
Features
Porcelain Manufacture in New York
Foreign Exhibitors at the Centennial
Crossing the Boundary of the Experimental Evidence
The Metallurgy of Iridium
American Porcelain
A Variable Screw
The Fireman's Respirator
The New Revelations of a Snow Flake
A New Steam Launch
Improved Lewis
A Three-Wheeled Omnibus
Scientific and Practical Information
Reid's Automatic Hatchway
Improved Mining Dial
Improved Pipe Joint
Improved Center Draft Tongue for Reapers and Mowers
The Crane
The Volume and Weight of Distilled Water at Different Temperatures
Decisions of the Courts - March 20, 1875
Recent American and Foreign Patents - March 20, 1875
Canadian Patents - - March 20, 1875
Communications Received - March 20, 1875
Departments
Notes and Queries - March 20, 1875
Business and Personal - March 20, 1875
Index of Inventions - March 20, 1875