Features
Mechanical Criticisms, Barbs in Beef, and More
Chemistry for Digestion
The Potato Rot
Boring Deep Wells by Water Pressure
The American Association for the Advancement of Science
Improved Rotary Plow
Tree Planter
Automatic Water Still
Circular Saw for Hot Iron
Luminous Attachment for Harness
Ear Trumpet and Cane Handle
"Storing Wind Power," Revised and Corrected
The University of Strasbourg
The First Electric Motor
Hammer-Headed Shark
Miscellaneous Inventions
Agricultural Inventions
Engineering Inventions
Mechanical Inventions
Communications Received
Departments
- Departments
Correspondence
Index of Inventions
New Books and Publications
Notes and Queries
Business and Personal
