Features
Polytechnic Association of the American Institute
Our Special Correspondence
Another Fortunate Inventor
Compression of Steam in Cylinders
Belts for Driving Machinery
Coal Tar on Young Trees
Usefulness of Diamonds
American Clocks and Watches
To Inventors and Patentees - February 4, 1860
Gun Cotton
Removing Silver from Injured Plated Ware
Construction of Roofs
The Great Washington Aqueduct Bridge
Tricks of the Wine Trade
A Column of Varieties
A Wonderful Natural Phenomenon
Improved Planer
New Iron Hoops for Cotton Bales
Patent Extension Cases
The New Canadian Patent Law
Railroad Safety and Brakes
Fire-Bricks
Weekly Summary of Inventions - February 4, 1860
Welding at a Single Blow
Foreign News and Markets - February 4, 1860
New York Markets - February 4, 1860
Patent Claims - February 4, 1860
Hints to our Readers
Plain Directions for Making a Horizontal Sun-Dial
Improved Compensating Pendulum
Departments
- Departments
Notes and Queries - February 4, 1860
