Home > 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.
- Vārdšķira: noun
- Nozare/domēns: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Autors
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
