+--------------------------------+------+------+------+------+------+------+------+------+------+
| Lengths of Threads. |1 deg.|2 deg.|3 deg.|4 deg.|5 deg.|6 deg.|7 deg.|8 deg.|9 deg.|
+--------------------------------+------+------+------+------+------+------+------+------+------+
|Observed excess-lengths 0 deg. | -28 | -32 | -47 | -62 | -11 | -15 | -48 | - 2 | - 8 |
| of threads, in various 1 deg. | -33 | -21 | -47 | -28 | +14 | - 8 | -22 | +21 | +24 |
| positions, the 2 deg. | -17 | + 2 | - 8 | + 1 | +26 | +23 | + 6 | +58 | |
| beginning of the 3 deg. | - 9 | +26 | + 5 | - 3 | +41 | +36 | +28 | | |
| thread being set 4 deg. | + 6 | +31 | - 7 | + 4 | +45 | +49 | | | |
| near the points. 5 deg. | - 3 | + 5 | -15 | - 6 | +43 | | | | |
| 6 deg. | -20 | + 7 | -16 | + 2 | | | | | |
| 7 deg. | - 1 | +23 | +10 | | | | | | |
| 8 deg. | - 4 | +29 | | | | | | | |
| 9 deg. | + 5 | | | | | | | | |
+--------------------------------+------+------+------+------+------+------+------+------+------+