 | Friedrich Mohs - 1825 - 506 sider
...immediately, by their mutual scratching, but mediately, through the File, and determined accordingly. First we try, with a corner of the given mineral, to scratch...hardness is of no consequence ; hence every file will be applicable, whose hardness la in the necessary relation with thai of the mineral. For it is not... | |
 | Friedrich Mohs - 1825 - 500 sider
...immediately, by their mutual scratching, but mediately, through the File, and determined accordingly. First we try, with a corner of the given mineral, to scratch...hardness is of no consequence ; hence every file will be applicable, whose hardness is in the necessary relation with that of the mineral. For it is not... | |
 | Friedrich Mohs - 1825 - 528 sider
...repeated with all the alterations thought necessary, till we may consider ourselves arrived at a fan: estimate, which is at last expressed by the number...hardness is of no consequence ; hence every file will be applicable, whose hardness is in the necessary relation with that of the mineral. For it is not... | |
 | John Joseph Griffin - 1841 - 538 sider
...the file, and determined accordingly. " The process of this determination is as follows: " First, we try, with a corner of the given mineral, to scratch...ones. Their absolute hardness is of no consequence ; henee every file will be applicable whose hardness is in the necessary relation with that of the... | |
 | Charles Upham Shepard - 1852 - 268 sider
...experiment is repeated with all the alterations thought necessary, till we may consider ourselves as having arrived at a fair estimate ; which is at last expressed...hardness is of no consequence ; hence, every file will be applicable, whose hardness is in the necessary relation with that of the mineral. For it is not... | |
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First we try, with a corner of the given mineral, to scratch the members of the scale, beginning from above, in order that we may not waste unnecessarily the specimens representing lower members. After having thus arrived at the first, which is distinctly... 