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Features

City Railroad

Steam Engine Regulator

Prevention of Accidents on Railroads

Foreign Correspondence

The Patent Office in Danger—To American Inventors

Varieties in Science

Galvanizing Iron—Protecting Steel from Oxidation—Sorel's Patent

Iron Stone—Terra cotta

Improvement in the Coiling Roving Machine

Great Improvement in the Construction of Chains

Pencil Case Improvement

Improvement in Endless Chains for Horse-Powers

Improvement in Cast-Iron Car Wheels

Complimentary to the Scientific American

The Great Exhibition of Industry

Great Patent Case—McCormick's Reaper

Telegraph Case

Patent Case

Steam Governor Valves

Medical

Electro-Magnetism as a Motive Power

List of Patent Claims

American Clippers—Cotton Sails

A New Cotton Plant

Oil from Popies

Postage on Books

Back Numbers and Volumes

On Sending Receipts

An Important Paragraph

Horse-Shoeing--Interfering Horses

Steven's Siding and Flooring Machine

To Mechanics, Inventors, and Manufactures

Seventh Volume of the Scientific American

Improved Candles

Departments

  • From the Editor

    To Correspondents

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November 08, 1851

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