Classification
Description
A sectioned, metal, acrylic, and phenol formaldehyde demonstration item / encapsulated component with a flow control device encapsulated in a plastic cover, circa 1960s. This item forms part of the Plastics Historical Society (PHS) collection.
Inscriptions
label : "WORLDS PATENT PENDING"
Object number
PHSL : 124
Date
1960 - 1969 (circa)
Method
Material
Dimensions
Length
105mm
Diameter
25mm