Geometric Model by A. Harry Wheeler, Quadrilateral Inside Out, Plane Dissection

Hinged Plane Dissection, Eight triangles that can be arranged as two differnet quadrilaterals.

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Hinged Plane Dissection, Eight triangles that can be arranged as two differnet quadrilaterals.
Hinged Plane Dissection, Eight triangles that can be arranged as two differnet quadrilaterals.
Hinged Plane Dissection, Eight triangles that can be arranged as two differnet quadrilaterals.

Object Details

maker

Wheeler, Albert Harry

Description

This hinged dissection has four pieces which may be arranged as a quadrilateral in two ways. An inscribed parallelogram transforms inside out. The model has a wooden base, metal hinges and a plastic top.

This appears to be Wheeler's model 4S, a Quadrilateral Inside Out. See his list of decomposition of polygons.

Location

Currently not on view

Credit Line

Gift of Helen M. Wheeler

ID Number

MA.304723.756

accession number

304723

catalog number

304723.756

Object Name

geometric model

Physical Description

plastic (overall material)

wood (overall material)

metal (overall material)

green (overall color)

brown (overall color)

red (overall color)

cut, glued and hinged (overall production method/technique)

Measurements

average spatial: 1 cm x 24.5 cm x 14.5 cm; 13/32 in x 9 21/32 in x 5 23/32 in

place made

United States: Massachusetts, Worcester

See more items in

Medicine and Science: Mathematics

Science & Mathematics

Plane Dissections

Data Source

National Museum of American History

Subject

Mathematics

Metadata Usage

CC0

Link to Original Record

https://n2t.net/ark:/65665/ng49ca746a9-2999-704b-e053-15f76fa0b4fa

Record ID

nmah_1074260