Wolpert Material Testing Machines - from the 1970s: Hydraulic Universal Testa UE, Testatron Electronic Testing Machines, Tensile Strength Testers ZRE 500, XRE 1000, Hardness Tester DIA Testor 2RC, Hardness Tester Automat, Hardness Tester Testor 300 Automatic, Hardness Tester HT 1 as, Hardness Tester Brinell High-speed Press BS300, Hardness Tester Mikro Testor, Special hardness