Scientific American Magazine
Volume 33, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Feed Water Heater and Purifier
Is Education for Culture or for Use?
The Irrigation Works of India
The English Patent Bill
Spirit Rifle Practice
The Keely Motor Deception
The British Arctic Expedition
Augers
The Hercules Screw Propeller
Spayth's Rafter Scale and Bevel Gage
New Life Raft
Jones' Improved Blind Stop
The Ant-Eater Family
The Cobweb Apple Moth
Decisions of the Courts - August 28, 1875
The American Association for the Advancement of Science
Recent American and Foreign Patents - August 28, 1875
Canadian Patents - August 28, 1875
Communications Received - August 28, 1875
Departments
Correspondence - August 28, 1875
Business and Personal - August 28, 1875
Notes and Queries - August 28, 1875
Index of Inventions - August 28, 1875
