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Railroad Accidents in England

Aquatic Velcoimeter-Ships' Way Measurer

Great Steamboat Running

Plank Roads in New York

American Telegraph in Sweden

A Simple Way To Make Hydrogen Gas

To Cure Corns

Colt's Repeating Fire Arms

English Imitation of Castile Soap

Improved Method of Churning

Marine Soap

Mechanics Convention at Atlanta, GA

Patent Case—Planing Machine

Pearl Soft Soap

The Sting of a Locust

Converting Frigates into Steam Propellers

Woodworth Planing Machine

Inertia Momentum

Paris Academy of Sciences

The Manufacture of Barrels by Machinery

Endless Printing Press

Improved Mortising Machine

Improved Fence

Improvement in Tailors' Measures

Ships' Cable Nippers

The Progress of our Republic

There is Nothing New under the Sun

Practical Remarks on Illuminating Gas

List of Patent Claims

Back Numbers and Volumes



Demonstration of the Rotation of the Earth


  • From the Editor

    To Correspondents

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June 14, 1851

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