Scientific American Magazine
Volume 26, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Machine for Boarding Pebbling and Glossing Leather, Starting Flower Seeds
Steam Flying Ship
Patent Law Reform in England
Sweetzer's Blacking and Brush Holder
Whitus' Attachment for Bit Braces
Guano
Scientific and Practical Information - May 18, 1872
Result of Illustrating a New Invention
Puddling Iron by Machinery—An Important Improvement
Our Obligations to the Arabian Alchemists
On Atmospheric and Pneumatic Propulsion
Supplement to this Week's Edition - May 18, 1872
Proposed Book on Patents
Recent American and Foreign Patents - May 18, 1872
Departments
Business and Personal - May 18, 1872
Notes and Queries - May 18, 1872
Answers to Correspondents - May 18, 1872
Index of Inventions - May 18, 1872
New Books and Publications - May 18, 1872
