Set Of Metal Discs

For demonstrating that some metals are magnetic whilst others are not and for general 'Metal Identification' exercises. Comprises sixteen discs, 25 mm. diam., 2 each of Mild Steel, Stainless Steel, Brass, Zinc, Nickel, Silver, Bronze, Aluminium and copper. One of each is stamped with the name of metal, the other is unmarked.

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