Volume 11, Issue 14
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Features
Die Engraving, Sinking and Multiplying
Commodore Farragut's Report of the Action in Mobile Bay
Oil Entering a Steam Cylinder Against Pressure
The One Thousand-Pounder Cannon
Polytechnic Association of the American Institute
The Power Required to Start a Train
Miscellaneous Summary
Ross's Lubricator
A Seed-Bag
Invidious Comparisons
The Moisture On a Lamp Chimney
A New Light for Manufactories
Cooper Union--Free Night School of Science and Art
A Battery of 15-Inch Guns
Patent Claims
Issued from the United States Patent-Office for the Week Ending September 20, 1361