Departments
- Letters
Correspondence - November 18, 1899
- Recommended
New Books, Etc. - November 18, 1899
- Departments
Notes and Queries - November 18, 1899
Business and Personal - November 18, 1899
Recently Patented Inventions - November 18, 1899
Index of Inventions - November 18, 1899
Patents - November 18, 1899