Volume 32, Issue 3
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Features
Our Naval Efficiency
Anstie and Dupre on the Action of Alcohol
Printing the Patents
The Cultivation of Oysters
Finishing Locomotive Wheels
Hillside Mining in Colorado
Practical Mechanism
NUMBER XV
The Tompkins Upright Rotary Knitting Machine
A New Electro-Magnetic Motor
A New Gas Carburetter
The Lighthouses of the United States
Ocean Telegraphy - January 16, 1875
The Arithmetical Operations of Multiplication and Division
Recent American and Foreign Patents - January 16, 1875
Decisions of the Courts - January 16, 1875
United States Circuit Court.--District of Massachusetts.