Departments
- Letters
Correspondence - October 23, 1897
- Recommended
New Books, Etc. - October 23, 1897
- Departments
Recent Inventions - October 23, 1897
Notes and Queries - October 23, 1897
Business and Personal - October 23, 1897
Index of Inventions - October 23, 1897
Recently Patented Inventions - October 23, 1897
Patents - October 23, 1897