Throne
The throne is of the three-lobed type
. The throne is attached with a integrated base. The
throne
consists simply of a small three-lobed tab at the top of the
instrument. Both the
shackle
and
ring have
been lost.
Mater
The mater and limb are of one-piece
construction. The limb of the mater is simply that portion of
the plate that extends beyond the rete. Scales on the
limb:
| Range & Units |
Numbered |
Geometry |
Location |
| Degree |
0 - 90 Degrees |
Every 10 degrees |
Circular, concentric |
None |
Womb
By inspection, the
womb is
engraved for a latitude of approximately 24°. The womb is
engraved with an unusual combination of north and south
projection lines, as dictated by the unusual
rete.
Almucantars
| Divisions |
Labelled |
Style |
| Divided every 6° from 0° to 90° |
|
Plain line. |
Lines
| Type |
Labelled |
Description |
| Unequal hours |
|
|
| Unequal hours |
|
|
