You have access to SA issues and articles on Sciam through institutional access. Click here if you'd like to opt out.

You have access to Scientific American issues and magazine articles through your institution’s site license

Skip to main content


Improved Furnace

Counter-Weighting Machinery

New Publications

Foreign Summary

Woodworth's Carriage Jack

Goodfellow's Piston Packing

The Practical Valve Of Agricultural Chemistry

Fire-Proof Workshops

Remarks on the Commissioner of Patent's Report

Launch of Winans's Fourth Cigar Steamer

Patent Claims

Issued from the U. S. Patent Offic


  • Departments

    Notes and Queries

  • Correspondence

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top