Throne
The throne is of the simple type
. The throne is attached with a integrated base. This broad,
undecorated
throne has
nine lobes..
Shackle
Shackle of the omega type (i.e. Ω-shaped
shackle). .
Mater
The mater and limb are of one-piece
construction. This instrument is unusual in that the limb is
a thin plate of metal, cut to fit exactly on the mater ring
and the throne.. Scales on the limb:
Range & Units |
Numbered |
Geometry |
Location |
Degree |
0 - 360 Degrees of arc |
Every 5 degrees |
Circular, concentric |
None |
Womb
The womb is inscribed:
Translation |
Notes |
Type |
القزم و مدين و كابل و طلوس و جلاص العرض كح ك ساعاته
يج ن |
Qolzum and Madyan and Kabul and Tawiyus and ???, the
latitude 28° 20'; hours 13h 50m |
|
Latitude |
المشرق |
East |
|
Direction |
المغرب |
West |
|
Direction |
Almucantars
Divisions |
Labelled |
Style |
Divided every 5° from 0° to 90° |
Labelled every 5° with (Abdjad,
maghrib) numerals |
Plain line. |
Azimuths
Divisions |
Labelled |
Style |
Divided every 9° |
Labelled every 9° with (Abdjad,
maghrib) numerals |
Plain line. |
Circles
Type |
Labelled |
Style |
Notes |
Equator |
|
Plain line. |
|
Tropic of Capricorn |
|
Plain line. |
|
Tropic of Capricorn |
|
Plain line. |
|
Lines
Type |
Labelled |
Description |
Meridian line |
خط الزوال (Midday line) (Arabic in Kufic
script) |
|
Horizon rectus |
|
|
Unequal hours |
Numbered (Numbers in Numbers, engraved script) |
(Abdjad, maghrib), Plain line style. |