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Title: Pendulum hardness teste [Go to resource]
Description: Pendulum hardness tester, Herbert's, cased, by Edward G. Herbert, Manchester, c.1910, from BR Materials Engineering Group Laboratories, Derby License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hardness tester Temporal: 1905-1910 Source: Science Museum Creator: Edward G. Herbert Identifier: 1992-7582 Go to resource More Like this...
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