Light blue Parkesine ring. Flat upper and lower surfaces. Marked P174. Made by Alexander Parkes; c.1862.

Details

Category:
Plastics and Modern Materials
Object Number:
2011-115/142
Materials:
parkesine (xylotile)
Measurements:
overall: 4 mm, 16 mm,
type:
ring
credit:
Plastics Historical Society