A complete set of nautical tables, containing all that are requisite, with the Nautical almanac, in Keeping a shipsy#787; reckoning at sea, and in ascertaining the latitude and longitude by celestial observations
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Spanish English |
| Rhifyn: | 5a ed. |
| Pynciau: |