In this video, a vintage 50-year-old Rockwell hardness tester, weighing over 80kg (176lbs), is restored. The machine employs ...

Construction and operation of a device to measure gel rigidity is described. A commercially available force gauge capable of recording peak force measurements of up to 200 ± 0.1 g is mounted on an ...

Unique portable device for the performance of standardized, static ball penetration tests according to Brinell up to a max. load of 29420 N. It is possible to carry out hardness tests on materials and ...