Scientific American Magazine
Volume 46, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Life-Saving Apparatus at the Recent Naval and Submarine Exhibition
Preparation of Lactic Acid
Nullification of the Patent Laws
Aspects of the Planets for June
Congressional Engineering
Torpedo Boat for the Italian Government
New Bottle Cleaner
Novel Burglar Alarm
New Nut Lock
Novel Window Blind Operator
Simple Sound Recorder
Improved Railroad Switch
Successful Management of the Insects Most Destructive to the Orange
The Use of Ammonia in Baking Powders and its Importance as a Culinary Agent
Miscellaneous Inventions - May 27, 1882
Mechanical Inventions - May 27, 1882
Metallurgical Invention - May 27, 1882
Agricultural Invention - May 27, 1882
Engineering Inventions - May 27, 1882
Departments
Index of Inventions - May 27, 1882
Business and Personal - May 27, 1882
Notes and Queries - May 27, 1882