Zodiacal signs
| Type: | Zodiacal signs | 
| Geometry: | Circular, concentric | 
| Unit of measurement: | Zodiacal divisions, equal or unequal | 
| (Numbering) starts at: | 0 | 
| (Numbering) ends at: | 30 | 
| Numbered: | every 5 | 
| Repeats: | 12 times | 
| Divided every: | 5 (Zodiacal divisions, equal or unequal) | 
| then every: | 1 (Zodiacal divisions, equal or unequal) | 
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| 1-4: | The entire outer circle on the back of an astrolabe. (1-4) | 
Zodiac:
| 1 | ARIES ♈ | 
| 2 | TAVRVS ♉ | 
| 3 | GEMINI ♊ | 
| 4 | CANCER ♋ | 
| 5 | LEO ♌ | 
| 6 | VIRGO ♍ | 
| 7 | LIBRA ♎ | 
| 8 | SCORPIVS ♏ | 
| 9 | SAGITTARIVS ♐ | 
| 10 | CAPRICORNVS ♑ | 
| 11 | AQVARIVS ♒ | 
| 12 | PISCES ♓ | 
| ---------- |