Home > Term: hardness wheel
hardness wheel
A hand instrument in which hardness points are set as equidistant spokes of a rimless wheel, permitting a more rapid selection of points in testing hardness.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)
