Scientific American Magazine
Volume 31, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
The Shapley Engine
Prison Reform
Exhaust Steam for Heating Purposes
A Possible Improvement in House Heating
Mechanical Aesthetics and Practical Men
Scientific and Practical Information - November 28, 1874
To Underground Railway, New York City
The National Academy of Science
Biddle's Hydraulic Jack
A Novel Milk Can
Improved Pinking Iron
Improved Hatchet
The Late John Laird
The Fair of the American Institute
Recent American and Foreign Patents - November 28, 1874
Answers to Correspondents - November 28, 1874
Communication Received - November 28, 1874
Canadian Patents - November 28, 1874
Departments
Correspondence - November 28, 1874
Business and Personal - November 28, 1874
Index of Inventions - November 28, 1874
