Volume 4, Issue 15
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Features
Hope
Railroad to the Pacific
Compensation Double Gearing For Lathes
Natural Manufactures for the Market
Expedition to the Dead Sea.--Oriental Christians
Protection of the Telegraph
The Smithson Institute
Connubial Statistics
Gold and Gold Washing
Homestead Exemption
Cure for Lockjaw
Arsenic
Youth's Cabinet
Eclipses in 1849
Diamonds in California
Buckwheat Cakes
The Ladies National Magazine
Acid Springs
An Ancient City
The Encyclopedia of Chemistry
Witchcraft in Washington
Treatment of Cholera
Fashionable Hours
Hubbell's Fire Arms,--Remarks of William W. Hubbell, on Fire Arms
Meteoric Phenomena
Head Work
Atmosphere Pile Driving Engine
The Ball Axle
Improvement in Saws
Velocity of Cannon Shot
Great Britannia Tubular Bridge
The Theory of Spheres
A Great Discovery Announced
The Telegraph Controversy
Patent Case
The Subterranean Lake on the Central Railroad, Michigan
Cheap Postage
Paine's Electrical Light
Sound and Rapid Motion
Advice to Our Manufacturers
The Scientific American
A Word to Parents and Teachers
Always Have some Work in Hand
Gold in Borneo
Elementary Principles of Carpentry
Modern Inventions.--An Iron Bridge of a Single Tube
Valuable Scientific and Mechanical Works
Magnetic Attraction
History of the Rotary Engine
Prepared expressly for the Scientific American
New Chemical Law
The Best Mechanical Paper
In the World Fourth Year of the Scientific American