Features
Seaport Defenses
A Metallic Joint or Coupling for Wheels and Other Uses
Improved Thill Coupling
An Improved Can Opener
A Ceiling Center-Piece and Ventilator
An Improved Wire or Cable Tightener
Improved Steam Food Cooker
A Proposed Plan for Non-Sinkable Ships
An Improved Railroad Track
An Improved Vehicle Top Support
Ornamental Electroliers
The Early Mission Establishments in California
A Gas Well Blow-Out at Pulaski, N. Y.
Photographic Notes- August 23, 1890
Handling Fish to Make Fertilizers
To Business Men
Architectural Books
Foreign Patents Their Cost Reduced
Now Ready
The Scientific American Publications for 1890
The Scientific American Supplement- August 23, 1890
Building Edition- August 23, 1890
The Scientific American Established 1846
Departments
- Letters
Correspondence- August 23, 1890
- Recommended
New Books and Publications- August 23, 1890
- Departments
Business and Personal- August 23, 1890
Recently Patented Inventions- August 23, 1890
Notes and Queries- August 23, 1890
Index of Inventions- August 23, 1890
To Inventors- August 23, 1890
