Departments
- Letters
Correspondence - July 28, 1894
- Recommended
New Books and Publications - July 28, 1894
- Departments
Business and Personal - July 28, 1894
Notes and Queries - July 28, 1894
Recently Patented Inventions - July 28, 1894
To Inventors - July 28, 1894
Index of Inventions - July 28, 1894
Patents - July 28, 1894