| Date |
1221/2 (A.H. 618) |
| Maker |
Muḥammad ibn Abī
Bakr |
| Place |
Iṣfahān |
| Material |
Brass |
| Inventory no. |
48213 |
| Acquisition |
Presented by Lewis Evans in
1924 |
There are 2 plates
with latitudes ranging from 30°0' to 40°0' .
Latitude 30°0'
Inscribed:
| Transcription |
Translation |
Notes |
Type |
| عرض ل |
Latitude 30° |
|
Latitude |
| ساعاته يه يد |
Hours 15h14m |
This number is clearly too long. A more typical
lenghth of day at 30° is 13h57m.. |
Hours of daylight |
| المشرق |
East |
|
Direction |
| المغرب |
West |
|
Direction |
More
information
Latitude 40°0'
Inscribed:
| Transcription |
Translation |
Notes |
Type |
| عرض م |
Latitude 40° |
|
Latitude |
| ساعاته يد م |
Hours 14h40m |
|
Hours of daylight |
| المشرق |
East |
|
Direction |
| المغرب |
West |
|
Direction |
More
information
Latitude 32°0'
Inscribed:
| Transcription |
Translation |
Notes |
Type |
| عرض لب |
Latitude 32° |
|
Latitude |
| ساعاته يد ح |
Hours 14h08m |
|
Hours of daylight |
| المشرق |
East |
|
Direction |
| المغرب |
West |
|
Direction |
More
information
Latitude 36°0'
Inscribed:
| Transcription |
Translation |
Notes |
Type |
| عرض لو |
Latitude 36° |
|
Latitude |
| ساعاته يد كه |
Hours 14h25m |
|
Hours of daylight |
| المشرق |
East |
|
Direction |
| المغرب |
West |
|
Direction |
More
information