Features
Patent and Claims
King's Patent Solid Steam Packing Ring
Downing's Patent Improved Railway Chair
The Latest Novelty in Photography
Capital and Labor as Affected by Labor-Saving Machinery
End of Vol. XVII--Beginning of a New Volume
The Indicator as a Fixture to the Steam Engine
The Sale of Patents in Ohio
Editorial Summary
New Publications
Recent American and Foreign Patents
Extension Notices
Departments
- Departments
Business and Personal
Index
