Two Hopkinson original 22-25% nickel-steel rings, 1888-1889

Made:: 1888-1889

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Two Hopkinson original 22-25% nickel-steel rings, 1888-1889

Details

Category:: Metallurgy

Object Number:: 1930-742

type:: ring

credit:: King's College, London

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Two Hopkinson original 22-25% nickel-steel rings, 1888-1889

Details

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