Features
Patents and Claims
Manufacturing, Mining, and Railroad Items
Brown's Vegetable Masher
Condition of the Patent Office
The Velocipede Mania
To City Subscribers
Horse and Foot
Permanent Ways Versus Light Trains
Cleanliness in Shops
Patent Offices
The Jonval vs. the Fourneyron Water-Wheel
The Manufacture of Iron--A New Process
The Telescope--A Lecture Delivered before the American Institute by Prof. Alexander
Departments
- Departments
Correspondence
Business and Personal
Index