Set Of 7x 1920’s Geometry Teaching Aids / Crystals
Code: 10139
Dimensions:
W: 23cm (9.1")H: 16cm (6.3")
SOLD
Set of 7 various Early 20th Century crystal models used as geometry teaching aids, made of cardboard/papier mâché.
rnCirca 1920.
rnThe tallest 16cm
rnThe widest 23cm
Wear and scratches commensurate with age.
