Accueil > Term: Owen's borehole surveying instrument
Owen's borehole surveying instrument
A clockwork photographic apparatus that records clinometer and compass readings on sensitized paper. It is used during borehole surveying.
- 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)
