Features
Valuable Receipts
Polytechnic Association of the American Institute
Miscellaneous Summary
Internal Revenue Stamps upon Patent Documents
Progressive Science and Art
Now is the Time to Form Clubs
Steam Wagons Upon Common Roads
What a Unit of Heat Can Do
Sinking of Iron Cylinders For Piers
General Burnside's Letter
Paper for Ship-Building
The Changes of a Piece of Silver
Literary Notices
Recent American Inventions
Patent Claims
Departments
- Departments
Correspondence
Notes and Queries
