Features
Machine for Boarding Pebbling and Glossing Leather, Starting Flower Seeds
Patent Law Reform in England
Sweetzer's Blacking and Brush Holder
Whitus' Attachment for Bit Braces
Guano
Scientific and Practical Information - May 18, 1872
Puddling Iron by Machinery—An Important Improvement
Result of Illustrating a New Invention
Our Obligations to the Arabian Alchemists
Proposed Book on Patents
Supplement to this Week's Edition - May 18, 1872
On Atmospheric and Pneumatic Propulsion
Recent American and Foreign Patents - May 18, 1872
Departments
- From the Editor
Answers to Correspondents - May 18, 1872
- Recommended
New Books and Publications - May 18, 1872
- Departments
Business and Personal - May 18, 1872
Notes and Queries - May 18, 1872
Index of Inventions - May 18, 1872