Käsitesivu
AAT-käsite: cross-staffs
Kohdetiedot
Calibrated wooden rods with sliding crosspieces used for measuring the altitude of celestial bodies; forerunnners of modern sextants.
| id | 300196040 |
| kuvaus | Calibrated wooden rods with sliding crosspieces used for measuring the altitude of celestial bodies; forerunnners of modern sextants. |
| laajempi käsite | vertical angle measuring devices |
| nimi | cross-staffs |
| related to | astronomical instruments |