Accueil > Term: Jacob staff
Jacob staff
A straight rod or staff pointed and shod with iron at the bottom for insertion in the ground, having a socket joint at the top, and used instead of a tripod for supporting a compass.
- Partie du discours : noun
- Secteur d’activité/Domaine : Mines
- Catégorie : Exploitation minière; Mineral mining
- Government Agency: USBM
0
Créateur
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
