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: | 10 (Degrees) |
| then every: | 5 (Degrees) |
| Notes: | Note that in the last quadrant, the scale counts down from 90° to 0°. In other words, the scales are numbered: 0|90° - 0° - 90° - 0|90° |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| 1-4: | The entire outer circle on the back of an astrolabe. (1-4) |