Skip to main content


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

Boring Tools

Number I

Ice-Period in America

A Steam Engine for Thirty-One Cents

Torpedoes Used by the Rebels

Miscellaneous Summary

Special Notices

Recent American Patents

Lewis's Oscillating Churn

Sighting Field Guns

Paper from Corn Husks


The Government Steam Experiments

Charles Wye Williams on Heat and Steam

The Hecker and Waterman Experiments

Patents Claims

Issued from the United States Patent-Office

New York Markets

To Our Readers

Scientific American For 1864


  • Departments

    New Books and Publications

  • Correspondence

  • Notes and Queries

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
July 09, 1864

Of Shamrocks and Science

Happy St. Patrick’s Day