Geometric Model by A. Harry Wheeler, Triangle Transformable into Triangle, Plane Dissection
date: label: date made
content: ca 1932
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: The four pieces of this hinged dissection have plastic tops glued to wooden bases. They can be arranged to form a triangle two ways.
label: Description
content: This is model 4D in Wheeler's triangles in his list of decompositions of polygons.
label: Description
content: A drawing of this model, dated January 4, 1932, is in 1979.3002.55, folder 1. It refers to Macaulay, Math. Gaz, 1915-1916, p. 382. Another drawing, marked D and also dated Janury 4, 1932 also shows this dissection. It is in 1979.3002.55, folder 2. There is a drawing in 1979.3002.50, dated November 21, 1931, that refers to a hinged model using this dissection - this model is larger than that drawing.
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.304723.808
label: accession number
content: 304723
label: catalog number
content: 304723.808
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: metal (overall material)
label: Physical Description
content: white (overall color)
label: Physical Description
content: brown (overall color)
label: Physical Description
content: yellow (overall color)
label: Physical Description
content: black (overall color)
label: Physical Description
content: hinged (overall production method/technique)
label: Measurements
content: average spatial: 1.5 cm x 17.7 cm x 19.2 cm; 19/32 in x 6 31/32 in x 7 9/16 in