With its latest ZHU-topLine hardness tester, Zwick is strengthening its market lead as a supplier of premium universal hardness testing equipment. The first fully functioning prototypes was showcased ...
HARDNESS, as recent correspondence in NATURE (vol. cvi., pp. 377, 440, 534, 599, 662, November, 192o–January, 1921) has shown, is a subject of interest to both the engineer and the physicist. Whatever ...
IT is with great interest that I read Mr. Ackermann's letter in NATURE of January 6, p. 17, with regard to the penetration of clay and lead by a loaded disc. The manuscript of a paper intended for the ...
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