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

Plane Dissection, Four triangles and two quadrilateral which are arranged as a pentagon.

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Object Details

maker

Wheeler, Albert Harry

Description

This dissection consists of six pieces arranged in a transparent green pentagonal case. The pieces may be arranged as a pentagon or an equilateral triangle.

A pattern for this model (found in 1979.3002.52) is dated 1932. Wheeler sent a desctiption of the model to Canadian mathematician H.S.M. Coxeter, who wrote letter reacting to that which is with the pattern.

Location

Currently not on view

Credit Line

Gift of Helen M. Wheeler

date made

ca 1932

ID Number

MA.304723.793

accession number

304723

catalog number

304723.793

Object Name

geometric model

Physical Description

plastic (overall material)

wood (overall material)

yellow (overall color)

black (overall color)

gray (overall color)

green (overall color)

turquoise (overall color)

red (overall color)

cut and glued (overall production method/technique)

Measurements

average spatial: 1.2 cm x 9 cm x 8.6 cm; 15/32 in x 3 17/32 in x 3 3/8 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/ng49ca746a9-1e56-704b-e053-15f76fa0b4fa

Record ID

nmah_1075262