Volume 3, Issue 15
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Features
English and American Railroads
The Nature, Origin and Composition of the Metals
Cassell's Illustrated Bible
Howe's Patent Extension
Two Points of Patent Law
New Planet Discovered
How to Make Cloth and Paper Incombustible
The Empty Bier
A new Lightning Rod
Patent Bier and Mode of Lowering Coffins
Friction Once More
Pratt's Improvement in Anti-Friction Journals
American Naval Architecture!
The Steamer new Brunswick.
Ventilate the Churches and the Schools
The Sewing Machine.--No. II
The Real Cause of Blasted Wheat
The Polytechnic Association of the American Institute
A Column of Varieties
Improved Wool Folder
Improved Cotton Cultivator
The Final Destiny of the Earth
Our Special Correspondence
Ohio Mechanics' Institute Fair
Room for Improvement in the Steam Engine
What May be Learned from the Experiments at the Metropolitan Mills
Report of the Trial of Steam Fire Engines at Rensselaer County Fair, Troy. N. Y.
Recent American Inventions
Compass Protractor
Patent Claims
Money Received
The Rise and progress of Inventions
Rates of Advertising
Useful Hint to Our Readers
Railroads in Germany
Wages in English Manufactories
Improved Breech-Loading Cannon
Mechanics
Inventors, Machinists, Millwrights, and Manufacturers.