Features
Photography in the Past Year
Miscellaneous Summary
Government Ordnance Experiments
Progress of Engineering Science
American Dentistry--Process of Setting Teeth on India-Rubber Plates
Steel Boilers
Drying Flour
A Calamity and its Lesson
Reformatory Institutions
American Railroads
New Work of Art
The New Revenue Cutters
New York Wharves and Piers
Turpentine and Benzine
Patent Claims
Special Notices
Recent American Patents
To Our Readers
Patents Granted for Seventeen Years!
A Valuable Work for Inventors Patentees and Manufacturers
The Cheapest Mode of Introducing Inventions
Improved Harvester and Raking Apparatus
Departments
- Departments
Correspondence
Notes and Queries