Circles
| Type | Labelled | Style | Notes |
|---|---|---|---|
| Equator | Plain line. | ||
| Tropic of Cancer | Plain line. | ||
| Tropic of Capricorn | Plain line. |
| Tympan | 4a |
Lines
| Type | Labelled | Description |
|---|---|---|
| Meridian line | ||
| Horizon rectus |
Scales
| Type | Range & Units | Numbered | Geometry | Location |
|---|---|---|---|---|
| Table of Horizons | 30 - 49 Degrees | Each one degrees | n/a | n/a |