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Improved Patent Horse Rake, The Broom Business, and More

Manufacture of Elastic Toys

Valuable Receipts

What May Be Seen at the Atlantic Docks

The Science of Steam Engineering

The New Atlantic Telegraph

The Safety Valve

An Important Crisis in the History of Newspaper Publishing

The Continental Telegraph

Slackness at the Patent Office

General Mitchell

Improved Tools


Patent Business in 1880 and 1862

Recent Foreign Inventions

Recent American Inventions

Patent Claims

To Our Readers

Brown's Patent Automatic Letter-Box


  • Departments


  • Notes and Queries

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November 22, 1862

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