Almucantars
| Divisions | Labelled | Style |
|---|---|---|
| Divided every 5° from 0° to 75° | Labelled every 5° with (Modern) numerals | Plain line. |
| Tympan | 1b |
| Latitude | 51°0' |
Azimuths
| Divisions | Labelled | Style |
|---|---|---|
| Divided every 10° | Labelled every 10° with numerals | Plain line. |
Circles
| Type | Labelled | Style | Notes |
|---|---|---|---|
| Equator | EQUINOCTIALIS (Latin in Roman Capital script) | Plain line. | |
| Tropic of Cancer | TROPIC CANCRI (Latin in Roman Capital script) | Plain line. | |
| Tropic of Capricorn | TROPICVS CAPRCORNI (Latin in Roman Capital script) | Plain line. | This label is quite far from the edge of the tympan, which marks the actual tropic. |
Lines
| Type | Labelled | Description |
|---|---|---|
| Meridian line | ||
| Horizon rectus | ||
| Horizon obliquus | HORIZON OBLIQVVS (Latin in Roman Capital script) | |
| Crepuscule | LINEA AVRORAE (Latin in Roman Capital script) | |
| Unequal hours | Numbered (None in None script) | (Modern), Plain line style. |
| Horoscopic (great) houses | Numbered (None in None script) | (Modern), Dotted line style. |
Inscriptions
| Transcription | Translation | Type |
|---|---|---|
| A LILLE 51 DEGRE | For Lille, 51 degrees | Latitude |
| MERIDES | North | Direction |
| SEPTRIO | South | Direction |