Departments
- Letters
Correspondence - August 19, 1899
- Recommended
New Books, Etc - August 19, 1899
- Departments
Recently Patented Inventions - August 19, 1899
Business and Personal - August 19, 1899
Index of Inventions - August 19, 1899
To Inventors
Notes and Queries - August 19, 1899
Patents - August 19, 1899