Scientific American Magazine
Volume 30, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
The Albion Boiler
A Proposed Testing Laboratory
Discovery of the Cause of the Zodiacal Light
Muscular Movement without Life
Hon. David A. Wells and the French Institute
Art among the Ashantees
The Magnetic Equivalent of Heat
Burial in the Sea
From Chaos to Coral
Regulating the Speed of an Engine
Device for Preventing Horses from Cribbing
Improved Mixing Spoon
Overhead Traveling Crane
The Keokuk and Hamilton Bridge
Useful Information on Steam Power
Improved Picket Fence
Improved Work Holder for Lathes
Curious Plants
Decisions of the Courts - May 23, 1874
The Flow of Solids and Its Effect upon the Strength of Materials
Decisions of the Commissioner of Patents
Recent American and Foreign Patents - May 23, 1874
Answer Correspondents - May 23, 1874
Communications Received - May 23, 1874
Canadian Patents - May 23, 1874
Departments
Correspondence - May 23, 1874
Business and Personal - May 23, 1874
Index of Inventions - May 23, 1874