Scientific American Magazine
Volume 26, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Steam Engine, Japanese Textile Art and More
Birmingham Gun Makers' and Inventors' Club
Pocket Bootjack
Gardener's Stool
Biscuit Manufacture
Compressed Air Locomotives
Twitchell's Draft Regulator and Heat Economizer
Fireproof Building and The Lesson of Chicago
Drying by Chemical Action
Opening the Public Libraries on Sunday
Power Produced by Steam, under Different Temperatures and Pressures
A Long Felt Want
Recent American and Foreign Patents - May 11, 1872
Departments
Correspondence - May 11, 1872
Business and Personal - May 11, 1872
Answers to Correspondents - May 11, 1872
Notes and Queries - May 11, 1872
Index of Inventions - May 11, 1872
