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Improved Bronzing Machine

Special Notices

Miscellaneous Summary

Parmelee's Core-Making Machine

Recent American Patents

Berdan's Breech-Loading Rifle

Judgment Against the Great Eastern in Favor of Mr. Towle

Failure of an English Iron-Clad

The Way to Foretell the Weather

American Thread

Extension of Patents-For Whose Benefit They Are Granted

The Value of an Idea

False Reports of the Dictator

Patent Claims

Issued from the United States Patent-Office for the Week Ending November 15, 1861

Melting Wrought Iron by Electricity


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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine