Volume 1, Issue 15
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Features
How to Remove the Human Hair
Hot-Air Ovens for Iron Furnaces
The Artificial Man
Fair of the American Institute
Compasses of the Great Eastern
Improved Seeding-Machine
Interesting Patent Suit
A German Invitation to American Inventors
Boyden's Calash Tops for Vehicles
Substitute for Hay and Turnips
India-Rubber Solvent
Bread-Making in Spain
Thoughts on the Progress of Science
Watt's Steam-Engine Improvements
The Atlantic Telegraph
A Column of Interesting Varieties
Tewksbury's Rocking-Cradle
Kaefer's Mode of Transmitting Motion
American and English Locomotives
Death of Brunel
The American Scientific Association
A Visit to the Manhattan Gas-Works
Iron Ships
How to Make Hard Water Soft
Foreign Summary—Metals and Markets
The Four Organic Elements
Oxygen, Hydrogen, Nitrogen and Carbon
Weekly Summary of Inventions
Patent Claims
Issued from the United States Patent Office