Features
Self-Acting Fountains
Artesian Wells--Not Everywhere Attainable
The London Fire Department
Editorial Summary
Gleanings from the Polytechnic Association
The Manufacture of Cotton--The Making of Roving
A Convenient and Cheap Microscope
Importance of Illustrating Inventions
Recent American and Foreign Patents
New Publications
Answers to Correspondents
Extension Notices
The Care of Tools
Patent Law of Prussia
Cheese as Food
Preservation of Meat
Items of the State of Iron Manufacture in Portions of the Eastern States
Our Steam Navy
Shoes vs Sandals--The Clash of Atoms
Patent Claims
The Markets
Departments
- Departments
Correspondence
Business and Personal
