Features
Improved Marine Clock and Register
Production and Consumption of Coffee
New Books and Publications
Foreign Scientific Miscellany
The United States Mint and Coinage
Boiling Food for Hogs
Composition of Atmosphere--Valley of Death
Food for Cattle
American Cast-Iron Ordnance
Defects of the British Iron-Clads
Special Notices
Power From Belting
American Steel and Machine-Cut Files
“Macfie” on Patents
Tungsten and its Alloys
Invention, the Ally of Civilization
American Flax-Cotton and Machinery
Our Subscribers
Recent American Patents
Present Strength of the British Navy
The Pressure Produced by Gunpowder
Patent Claims
Patents Granted for Seventeen Years!
Rates of Advertising
To Our Readers
A Valuable Work for Inventors Patentees and Manufacturers
The Cheapest Mode of Introducing Inventions
Improved Friction Pulley, The Government Laboratory
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