Scientific American Magazine
Volume 15, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
Water-Spouts in the Mountains
Improved Gang Plow
The Needle Gun
Banquet to Cyrus W. Field
Extension Notices
Erie Basin Dry Dock Company
Williams's Potato Washer
Change in the Style of Patents
Enlargement of the Scientific American for 1867
Wrought Scrap Iron for Forgings
Patent Office Decision--Cultivators
Patent Claims
Departments
Correspondence
Notes and Queries
New Inventions
