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