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Title: Circular button of cellulose nitrate [Go to resource]
Description: Circular button of cellulose nitrate, covered steel, olive green ground decorated with brown swirls and octagonal edging, about 1921Circular button of celluloid covered steel, olive green ground decorated with brown swirls and octagonal edging, 1920's? License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1921-1930 Source: Science Museum Identifier: 1980-676/133 Go to resource More Like this...
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