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Features

American Railroad Iron

Railroad Accident

Iodine as an Element of Animal and Vegetable Substances

Cumberland Valley Railroad

A Varnish to Imitate the Chinese

A Fine Black Varnish for Coaches and Iron Work

The Wheeling Bridge Case

Receipt for Chapped Hands

Machinery for Obtaining Power by the Force of Waves and Tides

American Celestial Phenomena

The Architect of the Patent Office

Chain Belts

Celestial Phenomena

Explosions of Steam Boilers—Their Causes and Remedies

Linen—The New Discovery

An American Steamer on Lake Nicaragua

New Electro-Chemical Telegraph

Improvements in Machinery for Making Cotton Batting

Anthracite Glass

New Way to Tin Iron

Manufacturing in Nashville

Improvement in Endless R. R. Horse Power

Another Perpetual Motion

Improvement in Attaching the Pole to Axle of Wagons and Carriages

Railroads of the United States

Our Ocean Steamships

Rationale of the Composition of Water

List of Patent Claims

The Moisture of Rooms

Mechanical Principles

Standing Notice to Subscribers

Durability of Vellum

Mechanics

Inventors and Manufacturers

Bituminous Shale

Stereoscopes

Crystalization

The Lead Mines of Iowa

Departments

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    February 08, 1851

    Confronting Common Wisdom