Degree
| Type: | Degree |
| Style: | 90° - 0° - 90° - 0° running clockwise from the 90° point (i.e. the throne) |
| Geometry: | Circular, concentric |
| Unit of measurement: | Degrees |
| (Numbering) starts at: | 0 |
| (Numbering) ends at: | 90 |
| Numbered: | Every 10 |
| Repeats: | 4 times |
| Divided every: | 5 (Degrees) |
| then every: | 1 (Degrees) |
| Notes: | The upper left and lower rigth quadrants begin numbering at 10°; the upper right and lower left begin numbering at 5°. There are two idiosyncratic numbers: The 5° mark in the upper left is unexpected; the 80° mark in the lower left is likewise unexpected |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| 1-4: | The entire outer circle on the back of an astrolabe. (1-4) |