By inspection, this
tympan is
engraved for something below 20° latitude. This tympan is
poorly engraved. Moreover, the stereographic projection is
faulty. Together, this suggests that the tympan is a later
replacement (fake?)..
Almucantars
| Divisions |
Labelled |
Style |
| Divided every 6° from 0° to 90° |
Labelled every 6° with (Abdjad)
numerals |
Plain line. |
Azimuths
| Divisions |
Labelled |
Style |
| Divided every 10° |
Labelled every 10° with (Abdjad)
numerals |
Plain line. |
Circles
| Type |
Labelled |
Style |
Notes |
| Equator |
|
Plain line. |
|
| Tropic of Cancer |
|
Plain line. |
|
| Tropic of Capricorn |
|
Plain line. |
|
Lines
| Type |
Labelled |
Description |
| Meridian line |
|
|
| Horizon rectus |
|
|
| Unequal hours |
Numbered (Numbers in Numbers, engraved script) |
(Abdjad), Plain line style. |
| Equal hours from sunset |
Numbered (Numbers in Numbers, engraved script) |
(Modern), Plain line style. |
Inscriptions
| Transcription |
Translation |
Type |
| لعرض لد |
For latitude 34° |
Latitude |
| المشرق |
East |
Direction |
| المغرب |
West |
Direction |
| ساعاته يد لو |
Hours 14h36m |
Hours of daylight |
