Features
Miscellaneous Summary
Charming by Serpents
Engraving for Calico Printing
Polytechnic Association of the American Institute
Staub's Improved Chuck Jaw
The November Meteors
Patent Office Decision--Cartridges
Extension Notices
Corbin's Patent Bag Holder
Nitro-Glycerin as a Substitute for Gun-Powder
Heald's Float Valve
Transportation of Fresh Meats to Market
Ventilation--Its Necessity and Neglect
Patent Claims
Departments
- Departments
Correspondence
New Inventions
Notes and Queries
