Casein button
- PART OF:
- 22
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Science Museum Group
© The Board of Trustees of the Science Museum
Casein button, dark green, raised centre and sides, four holes
Details
- Category:
- Plastics and Modern Materials
- Object Number:
- 1981-658/19
- Materials:
- casein
- type:
- button
- credit:
- B.P. Chemicals Ltd. (Stroud)
