KOYEMANN 3P ROCKWELL HARDNESS TESTER RESTORATION

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=S2ErpVf111g

restoration and first time use of an old hardness tester made in Germany under the Rockwell patentsome small repair and coating looking under the hood

Rockwell, hardness tester, härteprüfgerät, indenter, hrc
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