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Rock Borer and Grooving Machine, Glass Trade at the West

Production of Ammonia


The Three Sand Rocks

Rebel Abatis at Petersburg

The Work of Different Countries

The English Lock-Out

Solution of India-Rubber

A New Kind of Electrifying Machine

Directions for Making Blacking

The Cornish Engine Deteriorating

A Curious Clock

Aluminum Bronze for Coins

Plants From Cuttings

The Oil Regions of Pennsylvania

Facts about Peat

Farmers' Club

Polytechnic Association of the American Institute

Special Notices

Recent American Patents

Arsenic Poison

Wonderful Skill in Billiards

Getting Potash Directly from the Rock

The Good Time Coming

Our Calamity

McCulloch on California Currency

Model Houses

Gunpowder Extraordinary

Horse Power

A True Hero

A Successful Commander

Patent Calims

To Our Readers

Notice to Subscribers

Special Notice to Inventors

Rates of Advertising

The Cheapest Mode of Introducing Inventions

A Valuable Work for Inventors Patentees and Manufacturers

A Neat Thing

To Inventors, Mechanics, Agriculturalists the Annual Prospectus of the Scientific American


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