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

Object Details

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
Data Source
National Museum of American History
maker
Wheeler, Albert Harry
date made
ca 1932
ca 1932
Credit Line
Gift of Helen M. Wheeler
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
Object Name
geometric model
Plane Dissection, Four triangles and two quadrilateral which are arranged as a pentagon.
There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
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