Scientific American Magazine
Volume 49, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
Gerard's Alternating Current Machine
Sugar and Fodder, in One
Petroleum--The Old in the New
The American Association for the Advancement of Science
Velocipede Sleigh
Combined Trunk and Wardrobe
New Boring Machine
Wire Rope Towage
Aspects of the Planets for September
Compound Double Acting Horizontal Engine
Ephemera, or Day Flies
Agricultural Inventions
Engineering Inventions
Mechanical Inventions
Miscellaneous Inventions
Communications Received
Departments
Correspondence
Recent Inventions
Notes and Queries
Business and Personal
New Books and Publications
Index of Inventions
