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Nine 1920s Geometric Cardboard Science Crystals School Teaching Material Models

About the Item

Nine stackable very decorative early 20th century large brown speckled cardboard crystal teaching forms These crystal models used to be used as teaching material at school, to show students the difference in crystal shapes. Crystals are commonly recognized by their shape, consisting of flat faces with sharp angles. Sizes vary; the largest is 35cm x 24cm x 19cm (13.8inch x 9.5inch x 7.5inch) the smallest is 21cm x 21cm x 14.5cm (8.3inch x 8.3inch x 5.7inch).

Dimensions:

Height: 7.49 in (19 cm)Width: 9.45 in (24 cm)Depth: 13.78 in (35 cm)

Sold As:

Set of 9

Materials and Techniques:

Paper

Place of Origin:

Czech Republic

Period:

1920-1929

Date of Manufacture:

circa 1920

Condition:

Wear consistent with age and use.

Seller Location:

Haarlem, NL

Reference Number:

1stDibs: LU1040418744442

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