Geometric Model by A. Harry Wheeler, Triangle Transformable into Trapezoid, Plane Dissection (Portion)

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Plane Dissection - A Triangle Divided by Median Lines (three id numbers)
Plane Dissection - A Triangle Divided by Median Lines, Rearranged to Form Quadrilateral (three museum id numbers)
Description:

This hinged dissection has two triangular pieces that may be arranged as a triangle or a quadrilateral.

There is a model of a partially hinged dissection of a triangle with its medians which Wheeler variously designated 6K and 12TD. It consisted of six pieces which arrange to form a triangle. Models MA.304723.745, MA.304723.746 and 1979.0102.189 are the pieces of this model.

A drawing ot 12TD, dated April 2, 1932, is in 1979.3002.55 (folder 1).

Date Made: ca 1932 04 02

Maker: Wheeler, Albert Harry

Location: Currently not on view

Place Made: United States: Massachusetts, Worcester

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Plane Dissections

Exhibition:

Exhibition Location:

Credit Line: Gift of Louise D. Campbell

Data Source: National Museum of American History

Id Number: 1979.0102.189Accession Number: 1979.0102Catalog Number: 1979.0102.189

Object Name: geometric model

Physical Description: wood (overall material)plastic (overall material)Measurements: overall: 7.5 cm x 11.5 cm x 1.3 cm; 2 15/16 in x 4 17/32 in x 1/2 in

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746a7-5c50-704b-e053-15f76fa0b4fa

Record Id: nmah_904931

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