Features
Preparation of Lactic Acid
Aspects of the Planets for June
Nullification of the Patent Laws
Congressional Engineering
Torpedo Boat for the Italian Government
New Bottle Cleaner
Novel Burglar Alarm
Novel Window Blind Operator
New Nut Lock
Improved Railroad Switch
Simple Sound Recorder
Successful Management of the Insects Most Destructive to the Orange
The Use of Ammonia in Baking Powders and its Importance as a Culinary Agent
Mechanical Inventions - May 27, 1882
Metallurgical Invention - May 27, 1882
Engineering Inventions - May 27, 1882
Miscellaneous Inventions - May 27, 1882
Agricultural Invention - May 27, 1882
Departments
- Departments
Notes and Queries - May 27, 1882
Business and Personal - May 27, 1882
Index of Inventions - May 27, 1882
