Features
Interesting Exhibits at the American Institute Fair
Steam Digging
Lyon's Truck
A New Aerating and Water Pump
New Desk, Toilet and Display Bottle
A New Potato Digger
M. Palacio's Design for a Colossal Monument in Memory of Christopher Columbus
A New Clutch
New Electric Conduit
Experimental Plant of the Portelectric System
Photographic Notes- October 25, 1890
Improved Telegraph Key
To Inventors- October 25, 1890
Departments
- Letters
Correspondence- October 25, 1890
- Recommended
New Books and Publications- October 25, 1890
- Departments
Business and Personal- October 25, 1890
Recently Patented Inventions- October 25, 1890
Index of Inventions- October 25, 1890
Notes & Queries - October 25, 1890
