Features
Our Naval Efficiency
Anstie and Dupre on the Action of Alcohol
The Cultivation of Oysters
Printing the Patents
Finishing Locomotive Wheels
Hillside Mining in Colorado
Practical Mechanism
NUMBER XV
A New Gas Carburetter
The Tompkins Upright Rotary Knitting Machine
A New Electro-Magnetic Motor
The Lighthouses of the United States
Ocean Telegraphy - January 16, 1875
The Arithmetical Operations of Multiplication and Division
Decisions of the Courts - January 16, 1875
United States Circuit Court.--District of Massachusetts.
Recent American and Foreign Patents - January 16, 1875
Canadian Patents - January 16, 1875
Communications Received - January 16, 1875
Departments
- Letters
Correspondence - January 16, 1875
- Departments
Business and Personal - January 16, 1875
Notes and Queries - January 16, 1875
Index of Inventions - January 16, 1875
