Browsing by Author Herz, James Negley
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 1941 | Variable Pitch Airplane Propellers | Herz, James Negley |
| Issue Date | Title | Author(s) |
|---|---|---|
| 1941 | Variable Pitch Airplane Propellers | Herz, James Negley |