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Features

Compensation Double Gearing For Lathes

Hope

Railroad to the Pacific

The Sower

Eclipses in 1849

Natural Manufactures for the Market

Diamonds in California

Buckwheat Cakes

Acid Springs

Homestead Exemption

Cure for Lockjaw

The Smithson Institute

Protection of the Telegraph

Expedition to the Dead Sea.--Oriental Christians

Youth's Cabinet

Arsenic

Gold and Gold Washing

Witchcraft in Washington

An Ancient City

The Ladies National Magazine

Connubial Statistics

The Encyclopedia of Chemistry

Treatment of Cholera

Fashionable Hours

Meteoric Phenomena

Head Work

Hubbell's Fire Arms,--Remarks of William W. Hubbell, on Fire Arms

A Great Discovery Announced

Atmosphere Pile Driving Engine

The Theory of Spheres

Great Britannia Tubular Bridge

Velocity of Cannon Shot

Improvement in Saws

The Ball Axle

Advice to Our Manufacturers

Sound and Rapid Motion

Cheap Postage

The Telegraph Controversy

The Scientific American

Patent Case

The Subterranean Lake on the Central Railroad, Michigan

Paine's Electrical Light

A Word to Parents and Teachers

Modern Inventions.--An Iron Bridge of a Single Tube

Gold in Borneo

Elementary Principles of Carpentry

Valuable Scientific and Mechanical Works

Always Have some Work in Hand

History of the Rotary Engine

Prepared expressly for the Scientific American

Magnetic Attraction

The Best Mechanical Paper

In the World Fourth Year of the Scientific American

New Chemical Law

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December 30, 1848

Complex Causes. Alternative Solutions.