Unpolished casein button blanks

Unpolished casein button blanks diagonally cut from an extruded

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Unpolished casein button blanks diagonally cut from an extruded
Science Museum Group
© The Board of Trustees of the Science Museum

Unpolished casein button blanks diagonally cut from an extruded rod (bark finish artificial horn)

Details

Category:
Plastics and Modern Materials
Object Number:
1981-654
type:
buttons
credit:
B.P. Chemicals Ltd. (Stroud)