A Microsclerometer, for Determining the Hardness of Minerals

T. A. Jaggar

doi:10.2475/ajs.s4-4.24.399

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Jaggar, T. A. (1897). A Microsclerometer, for Determining the Hardness of Minerals. American Journal of Science, s4-4(24), 399–412. https://doi.org/10.2475/ajs.s4-4.24.399

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