Volume 9, Issue 14
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Features
The Fair of the American Institute
British Association for the Advancement of Science--Address
Miscellaneous Summary
Effusion of Gases--Atmolysis
The Teeth--Dental Caries
A Way to Show Water Running Up a Hill
A Novel Steam Engine
How English Cutlery is Made
A Noticeable Feature of the Fair
Harbor Defense
American Copper
Keying Wheels on Shafts
Patent Office Report for 1861
Recent American Patents
To Our Readers
Patent Claims
Issued from the United States Patent-Office