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A Brinell testing machine measures the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test-piece.

Brinell Testing Machine

A Brinell testing machine measures the indentation hardness of materials through the scale of penetration…

A scleroscope is a device used to measure rebound hardness. It consists of a diamond-tipped hammer dropped from a fixed height. The device was invented in the early 1900s.

Scleroscope

A scleroscope is a device used to measure rebound hardness. It consists of a diamond-tipped hammer dropped…