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Great Western Railway of Canada

Improvement in Steam Boilers

Chief Justice of the District of Columbia

Those Prizes Once More

Statistics of English Patents in 1854-5

Restoring Fibrous Iron

New Building Material

List of Patent Claims

Flying Ants


Ancient Indian Mortars

Varieties of Speed

The First Time Keeper Made Out of Clay

The Blow Fly

Photographs and Stereoscopic Angles.-The True Theory

Overshot and Turbine Water Wheels

Coal in Turkey

Prevention of Dust in Railroad Cars

Camp's Patent Chimney Cap

Adams' Patent Implement for Boring Wells

Fair of the American Institute

Water for Cities

The Famous George Law Muskets

Splendid Cash Prizes

Reminiscences of the Paris Industrial Exhibition

New Paper Material

Free Night Schools

Atmospheric Air Necessary for Decomposition

Uses of the Telegraph

Singular Cause of Leak in a Vessel

Recent Foreign Inventions

Notes on Sciences and Art

Newspapers in the World

Military Uses of the Daguerreotype

Gunpowder, Percussion Powder, and Their Substitutes

Machinists in Cuba


Inventors, and Manufacturers

Use of Salt in Cooking Vegetables

Ammonia; to Make it in Iron Work

Artificial Stone

Cast Steel


  • Letters

    To Correspondents

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October 13, 1855

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