Throne
The throne is of the five-lobed type . The throne is attached with a integrated base. The throne is simple and undecorated.Ring
The ring is of the simple, squared cross-section type (i.e. a simple ring made from a round rod or piece of metal).Shackle
Shackle of the omega type (i.e. Ω-shaped shackle). The tabs on this shackle are carved to resemble the head of some sort of animal.Mater
The mater and limb are of two pieces, riveted construction. There is a notch at the throne that accepts the tabs from the tympans and keeps them from rotating. Scales on the limb:Type | Range & Units | Numbered | Geometry | Location |
---|---|---|---|---|
Degree | 0 - 360 Degrees | Every 5 degrees | Circular, concentric | None |
The limb is inscribed:
Content | Translation | Notes | Type |
---|---|---|---|
[Along edge of limb] | The edge of the limb is divided into 91 approximately equal divisions, each marked with some characters. The use of this scale or these inscriptions is not immediately obvious | Miscellaneous |
Womb
The womb contains the scales normally found on the back of an astrolabe.
The womb contains 6 scales of the following types:
Type | Range & Units | Numbered | Geometry | Location |
---|---|---|---|---|
Declination | 0 - 90 Degrees | Every 5 degrees | Circular, concentric | Upper right quadrant of outer circular on back of instrument. |
Declination | 0 - 90 Degrees | Every 5 degrees | Circular, concentric | Upper left quadrant of outer circular on back of instrument. |
Zodiacal signs | 0 - 30 Zodiacal divisions, equal or unequal | Every 5 | Circular, concentric | Circular scale immediately inside the outer scale - refers to the full circle |
Calendar | first day of month - last day of month Days of year | Every 5 days and end of the month days | Circular, concentric | Circular scale second in from the outer scale - refers to the full circle. |
Lunar Mansions | 9° Aries - 8° Aries Lunar mansion | Not numbered | Circular, concentric | Circular scale third in from the outer scale - refers to the full circle. |
Shadow square | 0 - 12 Fingers | Every 3 fingers | Box | Left hand vertical 'face' of the shadow square (in LL) |
Shadow square | 0 - 12 Fingers | Every 3 fingers | Box | Right hand vertical face of the shadow square (in LR) |
Shadow square | 0 - 12 Fingers | Every 3 fingers | Box | Left hand bottom face of the shadow square (in LL) |
Shadow square | 0 - 12 Fingers | Every 3 fingers | Box | Right hand bottom face of the shadow square (in LR) |