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Sanded Cotton

Improved Atmospheric Hammer

White Lead in Philadelphia

Abortion in Cows From Ergot

Improved Steam Riveting-Machine

Coal Oil--Secret Inventions

Machines for Sweeping Streets

Notes on the Great St.Louis Fair

Notes on Foreign Inventions

Extracting Silver From its Ores

“The Hammer.”--Gross Plagiarism

Influence of Different Kinds of Manure on Herbage

A Column of Interesting Varieties

Pennsylvania Rock Oil

Maillefert's Aerostatic Tubular Diving-Bell

Improved Cap and Lantern

Travis' Steam Governor

Reform of the Patent Laws

Editorial Correspondence

Mare's Nests in Porkopolis

A Beetle in a Traveler's Ear

Patent Cases

Weekly Summary of Inventions

Foreign Summary--News and Markets

Patent Claims

Machine for Sawing Out Barrel Heads

Opening of the Cooper Institute

The Great Balloon


  • Departments

    Notes and Queries

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November 12, 1859

20% Sitewide for President's Day