Circles
| Type | Labelled | Style | Notes |
|---|---|---|---|
| Equator | Plain line. | ||
| Tropic of Cancer | Plain line. | ||
| Tropic of Capricorn | Plain line. |
| Tympan | 2a |
| Latitude | 45°0' |
Lines
| Type | Labelled | Description |
|---|---|---|
| Meridian line | ||
| Horizon rectus | ||
| Horizon obliquus | ||
| Unequal hours | Numbered (Numbers in Numbers, engraved script) | (Modern), Plain line style. |
Inscriptions
| Transcription | Translation | Type |
|---|---|---|
| 45 | Latitude | |
| ME | Meridian | Miscellaneous |
| ME NOX | Midnight | Miscellaneous |
| ORI | East | Direction |
| OCCI | West | Direction |