Throne
The throne is of the simple type
. The throne is attached with a integrated base. The
throne is
composed of two pieces: the front is integral with the
limb and
the
back, which
is an extension of the back
plate..
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 omega type (i.e. Ω-shaped
shackle). .
Mater
The mater and limb are of two pieces, soldered
construction. . Scales on the limb:
Range & Units |
Numbered |
Geometry |
Location |
Degree |
0 - 90 Degrees of arc |
Every 5 degrees |
Circular, concentric |
None |
Womb
The
womb is
plain except for a set of perpindicular lines..
Lines
Type |
Labelled |
Description |
Meridian line |
|
|
Horizon rectus |
|
|