Geometric Model by A. Harry Wheeler, Inscribed Quadrilateral Transformable into Inscribed Quadrilaterals, Plane Dissection
date: label: date made
content: ca 1932
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This is Wheeler's model 4Q. It shows an inscribed quadrilateral in four pieces. Each piece is a section of a circle. It is divided into segments of two colors of plastic, so that there is a yellow triangle with a vertex at the center of the circle and a lune in another color. The model is shown in drawing in 1979.3002.55, folder 1, and dated April 9, 1932 . The four parts can be permuted six ways to form six different inscribed quadrilaterals all inscriptible in the same circle.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Worcester
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Science & Mathematics
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content: Plane Dissections
creditLine: label: Credit Line
content: Gift of Helen M. Wheeler
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304723.759
label: accession number
content: 304723
label: catalog number
content: 304723.759
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: red (overall color)
label: Physical Description
content: black (overall color)
label: Physical Description
content: brown (overall color)
label: Physical Description
content: yellow (overall color)
label: Physical Description
content: green (overall color)
label: Physical Description
content: cut and glued (overall production method/technique)
label: Measurements
content: average spatial: 1.1 cm x 21.6 cm x 21.6 cm; 7/16 in x 8 1/2 in x 8 1/2 in