Scientific American Magazine
Volume 51, Issue 12You are currently logged out. Please sign in to download the issue PDF.
Features
More About the A. A. A. S
Magnetization of Pocket Watches at the Electrical Exhibition
For the Advancement of Science
Trace Holder and Detacher
A Double Baking Pan
Current Wheel
Combination Tool for Carpenters
Improved Machine for Tonguing and Grooving Boards
Improved Mechanical Movement
Steam Boiler
The Telephone - September 20, 1884
Transmitting Power from a Central Station
The Northeast Coast of New Guinea
Decisions Relating to Patents, Trade Marks, Etc.
Miscellaneous Inventions - September 20, 1884
Mechanical Inventions - September 20, 1884
Engineering Inventions - September 20, 1884
Agricultural Inventions - September 20, 1884
Departments
Correspondence - September 20, 1884
Business and Personal - September 20, 1884
Index of Inventions - September 20, 1884
Notes and Queries - September 20, 1884
