Curtis
| Stufe
| Curtiss | |
| tech. | Curtiss controllable propeller |
| Stufe | |
| gen. | degree; grade; level; pace; pitch; rank |
| |||
| Curtiss controllable propeller | |||
|
Curtis : 9 phrases in 5 subjects |
| Amphibians and reptiles | 1 |
| Electronics | 2 |
| Medical | 3 |
| Physics | 1 |
| Technology | 2 |