Three gear wheels of textile bonded laminated phenolic resin

Made:
1934 in Perry Barr
maker:
Ellison Insulations Limited

Three gear wheels cut from laminated phenolic resinoid bonded sheet (fabric base) ( different types)

Details

Category:
Plastics and Modern Materials
Object Number:
1934-28
Materials:
phenol formaldehyde (unspecified), paper (fibre product) and steel (metal)
Measurements:
overall (3): 78 mm 110 mm, .685kg
overall (2): 32 mm 198 mm, 1.145kg
overall (1): 148 mm 178 mm, 6.64kg
type:
gear wheels and laminated phenolic resinoid
credit:
Ellison Insulations Limited