Throne
The throne is of the indo-persian type
. The throne is attached with a integrated base.
Ring
The ring is of the simple, round cross-section
type (i.e. simple plain ring made from a round rod or piece
of metal).
Shackle
Shackle of the trefoil type. .
Mater
The mater and limb are of one-piece
construction. The tab that prevents the plates from rotating
is located at the bottom of the instrument. Scales on the
limb:
| Range & Units |
Numbered |
Geometry |
Location |
| Degree |
0 - 90 Degrees |
Every 6 degrees |
Circular, concentric |
outer |
Womb
