Features
Testing the Correctness of Figures by Weight
A Box Trick to Beat Hartz'
P'i-Ryi
The Sovereigns of Industry
Loss of a Large New York Mail
Improvement in Canal Navigation
Amalgam Fillings for the Teeth
Scientific and Practical Information
The Bessemer Oscillating Saloon
Tubular Floating Docks
A New Method of Measuring Surfaces, Applied to the Circle
Blaisdell's Improved Railway Tie
Broadbooks' Excelsior Pruning Shears
Improved Potato Cutter and Planter
Combined Aquarium and Plant Case
The Physical Phenomena of Germination
The Vegetable Fibers at the Universal Exposition, Vienna
Number I
Decisions of the Courts
United States Circuit Court.--District of Massachusetts
Recent American and Foreign Patents - January 23, 1875
Canadian Patents - January 23, 1875
Communications Received - January 23, 1875
Departments
- Recommended
New Books and Publications - January 23, 1875
- Departments
Correspondence - January 23, 1875
Business and Personal - January 23, 1875
Notes and Queries - January 23, 1875
Index of Inventions - January 23, 1875