Accueil > Term: Swedish mining compass
Swedish mining compass
A compass in which a magnetic needle is suspended on a jewel and a stirrup so that it can rotate about both a horizontal and a vertical axis.
- Partie du discours : noun
- Secteur d’activité/Domaine : Mines
- Catégorie : Exploitation minière; Mineral mining
- Government Agency: USBM
0
Créateur
- ed.young
- 100% positive feedback
(Milwaukee, United States)