Keep's test for cast-iron : a description of the routine to be pursued by those using this method of testing (1893)
W[illiam] J[ohn] Keep · leaf 23
The full record of a test of pig-iron is given from our record book Keeps Test, … (Fig. 30). Hardness.—Fig. 31 represents the machine used inwhich was invented by ProfessorThomas Turner, Mason CoBirmingham, Eng., and to whichwe have added some impiments. At the end of a perfectly bal-anced arm is fixed a standarddiamond which bears upon the polished end of a test bar. By j _u_ ■…
Building materials · Metals · Cast Iron
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