Features
Patent Infringement Cases
The Nebular Hypothesis
City of London Library and Museum
Electro Chemical Copying Press
Reservoir Palette
Engineering in Brussels
The Colorado Potato Beetle
How to Conduct New Scientific Investigations
The Rubber Tip Patent Case
Scientific and Practical Information - May 25, 1872
Canadian Patents
Improvement in Pumps
Builders' Hardware
East Indian Iron
Nature and Art
Death of an Indian Nobleman
Timely Hints for Patent Office Examiners
Recent American and Foreign Patents - May 25, 1872
Departments
- From the Editor
Answers to Correspondents - May 25, 1872
- Letters
Correspondence - May 25, 1872
- Recommended
New Books and Publications - May 25, 1872
- Departments
Business and Personal - May 25, 1872
Notes and Queries - May 25, 1872
Index of Inventions - May 25, 1872