ホーム > Term: Hartley gravimeter
Hartley gravimeter
An early form (1932) of stable gravimeter consisting of a weight suspended from a spiral spring, a hinged lever, and a compensating spring for restoring the system to a null position.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
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(Milwaukee, United States)
