variable pitch
threading
| Variable pitch | |
| abbr. scottish | vp |
| |||
| vp | |||
|
variable pitch : 5 phrases in 1 subject |
| Abbreviation | 5 |
| Variable pitch | |
| abbr. scottish | vp |
| |||
| vp | |||
|
variable pitch : 5 phrases in 1 subject |
| Abbreviation | 5 |