Geometric Model by A. Harry Wheeler, Triangle Transformable into a Triangle, Plane Dissection

Hinged Plane Dissection, Two triangles and two quadrilaterals which can be arranged as two different triangles.

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Hinged Plane Dissection, Two triangles and two quadrilaterals which can be arranged as two different triangles.
Hinged Plane Dissection, Two triangles and two quadrilaterals which can be arranged as two different triangles.

Object Details

maker

Wheeler, Albert Harry

Description

The four pieces of this hinged dissection can be arranged as a triangle and as an isosceles triangle. The pieces are made of yellow, purple, blue and red plastic, glued to a wooden base.

This appears to be model 4B in the list of triangles in Wheeler's list of decompositions of polygons.

Drawings for this dissection, dated February 2, 1932, are in 1979.3002.43 (folder 2). Other drawings, dated February 4, 1932, are in 1979.3002.55, folder 1

Location

Currently not on view

Credit Line

Gift of Helen M. Wheeler

date made

ca 1932

ID Number

MA.304723.750

accession number

304723

catalog number

304723.750

Object Name

geometric model

Measurements

overall: 1.4 cm x 29 cm x 9.2 cm; 9/16 in x 11 13/32 in x 3 5/8 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/ng49ca746ad-8c14-704b-e053-15f76fa0b4fa

Record ID

nmah_1423277