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Improved Treadle Motion, The New Tax Bill and its Provisions and More

Baron Von Lenk's Gun-Cotton Patented in this Country

Petroleum for Generating Steam

A Steam Engine for Thirty-One Cents

Ice-Period in America

Boring Tools

Number I

Torpedoes Used by the Rebels

Miscellaneous Summary

Recent American Patents

Special Notices

Lewis's Oscillating Churn

Sighting Field Guns

Charles Wye Williams on Heat and Steam

The Hecker and Waterman Experiments

The Government Steam Experiments

Paper from Corn Husks


New York Markets

Patents Claims

Issued from the United States Patent-Office

To Our Readers

Scientific American For 1864


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July 09, 1864

Confronting Common Wisdom