Features
The English Lock-Out
The Three Sand Rocks
The Work of Different Countries
Rebel Abatis at Petersburg
Production of Ammonia
Paraffine
A Curious Clock
Solution of India-Rubber
Plants From Cuttings
Directions for Making Blacking
Aluminum Bronze for Coins
A New Kind of Electrifying Machine
The Cornish Engine Deteriorating
The Oil Regions of Pennsylvania
Facts about Peat
Farmers' Club
Special Notices
Recent American Patents
Polytechnic Association of the American Institute
Arsenic Poison
Wonderful Skill in Billiards
The Good Time Coming
Our Calamity
Model Houses
McCulloch on California Currency
Getting Potash Directly from the Rock
A True Hero
Horse Power
Gunpowder Extraordinary
A Successful Commander
Patent Calims
To Our Readers
Special Notice to Inventors
Rates of Advertising
Notice to Subscribers
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A Valuable Work for Inventors Patentees and Manufacturers
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To Inventors, Mechanics, Agriculturalists the Annual Prospectus of the Scientific American
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