Casein buttons formed by powder pressing

Casein buttons formed by powder pressing, showing strata effect

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Casein buttons formed by powder pressing, showing strata effect
Science Museum Group
© The Board of Trustees of the Science Museum

Casein buttons formed by powder pressing, showing strata effect, probably early 1960's

Details

Category:
Plastics and Modern Materials
Object Number:
1981-638
type:
buttons
credit:
B.P. Chemicals Ltd. (Stroud)