Departments
- Letters
Correspondence- November 19, 1892
- Recommended
New Books and Publications- November 19, 1892
- Departments
Recently Patented Inventions- November 19, 1892
Business and Personal- November 19, 1892
Notes and Queries- November 19, 1892
Index of Inventions- November 19, 1892
To Inventors- November 19, 1892