Sample of Steel, Sample of Heaton's steel, made from medium iron. It is a rod with a square cross-section of ½ English thumb, the ends broken off or torn., John Heaton, United Kingdom, 1868, steel (alloy), h 1.4 cm × w 10.3 cm × d 1.4 cm
Keywords:
Sample, Steel, Heaton's steel, medium iron, rod, square cross-section, ½ English thumb, ends broken off, torn, John Heaton, United Kingdom, 1868, steel, alloy
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