Sea Shell Data
If you have a problem with making measurements on the shell picture, you may use the data in the table below, which were measured on a printed copy of the picture. The polar angle theta is Count times pi/4. The radial measures r are in milllimeters. To return to the module, close this window.
| Count | r (mm) | Count | r (mm) | |
| 0 | 5 | 10 | 19 | |
| 1 | 6 | 11 | 21 | |
| 2 | 7 | 12 | 24 | |
| 3 | 8 | 13 | 27 | |
| 4 | 8 | 14 | 31 | |
| 5 | 9 | 15 | 37 | |
| 6 | 11 | 16 | 44 | |
| 7 | 13 | 17 | 51 | |
| 8 | 15 | 18 | 58 | |
| 9 | 17 |