
Volume 12, Issue 21
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Features
French Undulating Railroad
Value of the Smelling Faculty
Foot Corn Planter
Curious Effect Upon the Telegraph Wires
Quartz-Solid and Liquid
List of Patent Claims
Monetary Intelligence
The Up-and-Down Saw Yet
Treating Metallic Ores
To Prevent Oscillation in Locomotives
Steam Fire Engines
Elastic Gums
The Tower of Babel
Death of Dr. Ure
New Process of Viniflcation
Miniature Toy Balloons
Carbonic Acid Gas Engine
Dividing Machine.--the Diamond's Point
The Atlantic Telegraph Cable
The Cold Weather
Fusible Plugs for Steam Boilers
Improvements in Molding Metals
Mineral Rods.--Searching for Precious Metals
How to View Pictures
An American Inventor Shot in Paris
The New Patent Bill
Pennsylvania Cool Trade
A Bill
To Amend the Several Acts now in force in relation to the Patent Office
Geography and the Human Race
Growth of the United States
Spirits of Turpentine in Paints
Air Exhauster.--Fruit, Vegetable, and Flower Preserver
Gun Cotton and Gunpowder
Mechanics
Inventors, and Manufacturers