홈 > Term: Stebinger drum
Stebinger drum
A delicate vertical-angle adjustment for the vernier on the alidade, graduated in hundredths of a revolution. Compare: tangent screw
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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