Features
The Genesis of Inventors
Death in the Salt Cellar
The Agricultural Display at the Centennial
The Management of Boilers and Engines
Apparatus for Removing Condensed Steam from Pipes
Improved Surface Planer
The New York River Front Improvements
Scott's Patent Sheet Iron Roofing
Improved Low Water Indicator
Improved Washing Machine
Wolff's Button Hole Cutter
The Little Dodo or Dodlet
Novel Device for Preventing Runaway Horses
Decisions of the Courts - May 15, 1875
The Meidinger Battery
Recent American and Foreign Patents - May 15, 1875
Communications Received - May 15, 1875
Departments
- Letters
Correspondence - May 15, 1875
- Recommended
New Books and Publications - May 15, 1875
- Departments
Notes and Queries - May 15, 1875
Business and Personal - May 15, 1875
Index of Inventions - May 15, 1875