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Features

Longest Railroad

European and American Railway

Great French Tunnel

Demonstration of the Earth's Rotation

Patent Decision

Respect for Mr. Lawrence, Chief Clerk of the Patent Office

Steamships

Yellow or Rosin Soap

Hard Mottled Soap

Hard White or Curd Soap

How to Make Vinegar

Manufacture of Soaps

Manufacture of Paper Mache

On Probable means of Augmenting the Ascensive Power of Locomotives

American Association for the Advancement of Science

Interesting to Telegraphers

New Planing Machine

New Steam Drill

Noiseless Wheels

To Make Artificial Marble and Stone

Improved Hoisting Machine

Improved Plow

Improved Spike Machine

Machine for Flocking Cloth

New Clipper-Ship Flying Cloud

The Presidential Tour

America at the Great Exhibition

List of Patent Claims

Practical Remarks on Illuminating Gas

New Edition of the Patent Laws

Patent Claims

Back Numbers and Volumes

Petition for an Extension of Patent

Mechanics

Hydraulics

Ice Mountain in Virginia

Good Summer Bread

Coal of Pennsylvania

A New Substance Made from Cannel Coal

To make Copying or Transfer Paper

Departments

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    To Correspondents

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May 31, 1851

See the World from a Different Perspective

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