Hardness Tester Poldi (0860)
Index: 0860
Year: ?
Maker: Poldi
Dimensions: 11 x diam 2.5 cm
Info
Test the hardness of metal against a bar with known hardness. By looking at diameters, the hardness of the metal under test can be determined. Unfortunately, the standard bar is missing. Clever idea.
Tool is still commercially available.
