| Notes: | 1 [value] | Lengthwise tone hole angles are measured in reference to the axis of the bore |
| 2 [value] |
Undercutting angles are relative to the tone hole axis It is a crude approxiamation based on a sketch of the tone hole undercutting (±10° or 15°) |
|
| n/r | Indicates data not recorded | |
| n/a | Indicates data not is applicable |
| Measurement |
Joint Type |
Hole ID |
Angle | Undercutting | Notes | ||
| lengthwise | Type | Depth | Angle | ||||
|
Paulhahn, P. Measurer: Paul Hailperin |
head | 1 | 1 109° | upstream | 40% | 2 ~ 5° | |
| 2 | 1 111° | upstream | 50% | 2 ~45° | |||
| 3-L | 1 71° | downstream | 40% | 2 ~10° | |||
| 3-R | 1 69° | downstream | 40% | 2 ~20° | |||
| middle | 4-L | 1 90° | symmetric | 50% | 2 ~30° | ||
| 4-R | 1 90° | symmetric | 50% | 2 ~30° | |||
| 5 | 1 90° | symmetric | 80% | 2 ~20° | |||
| 6 | 1 90° | symmetric | 100% | 2 ~15° | |||
| Eb | 1 90° | symmetric | 100% | 2 ~45° | |||
| C | 1 90° | symmetric | 80% | 2 ~50° | |||
| bell | T-L | 1 90° | symmetric | 100% | 2 ~40° | ||
| T-R | 1 90° | symmetric | 100% | 2 ~40° | |||