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Title: Unpolished casein buttons coloured cream in 3 styles [Go to resource]
Description: Unpolished casein buttons coloured cream in 3 styles. a) oval, b) round, c) squared circle License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1981-656 Go to resource More Like this...
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