Sold 4 February 2026 · Branching Out Antiques

This “Set of 7x 1920’S Geometry Teaching Aids” found a buyer.

It was listed by Branching Out Antiques. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Description

Set of 7 various Early 20th Century crystal models used as geometry teaching aids, made of cardboard/papier mâché.

Circa 1920.

The tallest 16cm

The widest 23cm

Wear and scratches commensurate with age.

Price is for the set.

Physical Dimensions

Height

16cm (6.30")

Width

23cm (9.06")

Declaration

Branching Out Antiques has dated these Vintage Geometry Teaching Aids to the 1920s.

Reference Numbers

Sellingantiques Reference

SA1171955

Description

Set of 7 various Early 20th Century crystal models used as geometry teaching aids, made of cardboard/papier mâché.

Circa 1920.

The tallest 16cm

The widest 23cm

Wear and scratches commensurate with age.

Price is for the set.

Physical Dimensions

Height

16cm (6.30")

Width

23cm (9.06")

Date of Manufacture

Branching Out Antiques has dated these Vintage Geometry Teaching Aids to the 1920s.

Reference Numbers

Sellingantiques Ref

SA1171955

About the Dealer

Branching Out Antiques

Sellingantiques verified Since Apr 2022

Decorative & country house antiques, including art and taxidermy

Dealer Profile

You can view the stock and full dealer information on the Branching Out Antiques Profile Page

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A collection of various three-dimensional wooden and paper geometric teaching models featuring cream and brown surfaces with dark painted edge lines.

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Archive I

Set of 7x 1920’S Geometry Teaching Aids

Archive II

Archive III

Archive IV

Archive V

Archive VI

Archive VII

Archive VIII

Archive IX

Archive X

Archive XI

Archive XII

Branching Out Antiques

Telephone 07742 117815

Location

Kent
United Kingdom

By appointment only.

Dealer Profile Page sellingantiques.co.uk/branchingout

Verified Since Apr 2022

Items For Sale 78

Items Sold 380

Email Branching Out Antiques

SET OF 7x 1920’s GEOMETRY TEACHING AIDS

Ref: SA1171955

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Cataloguer’s Note

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing

Object[Decorative Objects]
Period1900 - 1920
Style[Industrial]
Material[Wood, Paper, Card]
Colour[Cream, Brown]
MotifsPlatonic solids, Polygons, Hand-painted outlines
SizeH 16 cm (6 in) x W 23 cm (9 in)

FAQs

Geometric models became staples in classrooms during the late 19th and early 20th centuries as educators shifted towards tactile, visual learning methods to teach three-dimensional volume and spatial awareness.

These teaching aids were typically constructed from lightweight wood, papier-mache, or stiff card, often covered in painted paper or plaster, with inked or painted edge detailing to define the vertices and planes.

Authentic pieces exhibit genuine age-related wear, such as surface scuffs, yellowing of the paper or varnish, minor edge chipping, and historical makers stamps or paper labels, distinguishing them from modern resin replicas.

These sculptural objects function well as display pieces on open shelving, sideboards, or coffee tables, bringing a graphic, architectural quality to contemporary spaces.

Preserve these items by keeping them away from direct sunlight and high humidity to prevent the paper from fading, lifting, or warping, cleaning only with a dry, soft microfibre cloth.