Home > 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.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Δημιουργός
- ed.young
- 100% positive feedback
(Milwaukee, United States)