Whitworth
| form of thread
| whitworth | |
| tech. mech.eng. | pas anglais |
| forming of thread | |
| met. mech.eng. | taraudage par déformation |
| |||
| pas anglais | |||
|
Whitworth : 11 phrases in 2 subjects |
| Mechanic engineering | 7 |
| Technology | 4 |