Throne
The throne is of the simple type
. The throne is attached with a integrated base. The
throne is
just an extension of the
plate,
with a small hole to attach any suspension apparatus.
Womb
The front of this instrument bears a de Rojas style universal
projection.
The womb contains 4 scales of the following types:
| Range & Units |
Numbered |
Geometry |
Location |
| Declination |
0 - 23.5 Degrees |
Every 10 degrees |
Linear |
Scales found in the lower portion of a universal
plate |
| Calendar,
perpetual |
1660 - 1712 Days of year |
days |
Box |
Scales found in the lower portion of a universal
plate |
| Degree |
0 - 90 Degrees |
Every 10 degrees |
Circular, concentric |
outermost scale on the front of the limb |
|
Calendar |
N/A Days of year |
Not numbered days |
Arc |
None |
The womb is inscribed:
| Translation |
Notes |
Type |
| Henricus Sutton. Londini fecit. 1659 |
Henry Sutton made this in London, 1659. |
On both sides of the perpetual calendar, below the
universal projection |
Maker's signature |
Universal
Universal with De Rojas projection. The
universal contains the following:
|
Angle of inclination |
Direction of inclination |
Labelled |
Language |
Script |
Line style |
Notes |
| Equator |
|
N/A |
Numbered 0 to 90 |
|
|
Dotted |
|
| Tropic of Cancer |
|
N/A |
Numbered I to XI twice |
|
|
Plain |
|
| Tropic of Capricorn |
|
N/A |
Numbered I to XI twice |
|
|
Plain |
|
| Ecliptic |
23 |
Top-right/bottom-left |
Labeled with the zodiacal symbols |
|
|
Dotted |
|
The universal contains the following meridians:
| Interval |
Style of line |
Number style |
Description |
| 1° |
Plain |
European Modern |
Every tenth line is bold; every fifth line is
dotted |
The universal contains the following parallels:
| Range |
Interval |
Style of line |
Number style |
Description |
| |
1° |
Plain |
European Modern |
Every tenth line is bold; every fifth line is
dotted. In the lower half of the projection, parallels
extend only to 40° |
More information
Stars
The universal contains the following stars.
Click on the star name or modern star name to search for
other astrolabes with the same star.
