Features
Baseball
New York Electrical Subways
Watchcase Spring
Check Row Corn Planter
Measuring Wheel
Discharge Pipe for Vaults
Drawer Check and Support
Lamp Filling Attachment for Oil Cans
Clip Coupling for Vehicles
Fence Wire Tightener
Improved Quilting Frame
Fireworks with Dramatic Accessories
Polarized Light
Simple Instrument For The Examination Of Microscopic Objects
The Art of Pitching in Baseball
Driving Apparatus
Photographic Notes - July 31, 1886
Hornbills
Engineering Inventions - July 31, 1886
Miscellaneous Inventions - July 31, 1886
To Inventors - July 31, 1886
Departments
- Letters
Correspondence - July 31, 1886
- Recommended
New Books and Publications - July 31, 1886
- Departments
Business and Personal - July 31, 1886
Index of Inventions - July 31, 1886
Notes and Queries - July 31, 1886
