Scientific American Magazine
Volume 29, Issue 14You are currently logged out. Please sign in to download the issue PDF.
Features
Diamond Cutting--A New Industry in New York
Camphor
Crude Petroleum for Fuel and for Illuminating Gas
Specific Heat
The Fair of the American Institute
Rescue of the Remaining Survivors of the Polaris
The Planet Mars--Is it Inhabited?
A Simple Tree Protector
Calfskin Tanning in Europe
Self-Tightening Drill Chuck
The Great Exposition--Letter from United States Commissioner Professor R. H. Thurston
The Danbury Drill Chuck
Automatic Railroad Gate and Signal
Improved Plow Attachment
Recent American and Foreign Patents - October 4, 1873
Answer to Correspondents - October 4, 1873
Communications Received - October 4, 1873
Departments
Correspondence - October 4, 1873
New Books and Publications - October 4, 1873
Business and Personal - October 4, 1873
Notes and Queries - October 4, 1873
Index of Inventions - October 4, 1873
