Accordion detail:
Celluloid, the first semi-synthetic plastic, can be stamped, pressed, or molded into a variety of shapes.  In 1924, a chemist discovered that the reaction of mercury on celluloid produced a beautiful pearlescent effect, visible in this 1920s accordion. #plastics #accordion
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  • sfomuseumAccordion detail:
    Celluloid, the first semi-synthetic plastic, can be stamped, pressed, or molded into a variety of shapes. In 1924, a chemist discovered that the reaction of mercury on celluloid produced a beautiful pearlescent effect, visible in this 1920s accordion. #plastics #accordion

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