Geometric Model by A. Harry Wheeler, Equilateral Triangle Inside Out, Plane Dissection
date: label: date made
content: ca 1932
label: date made
content: ca 1932
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This model has a wooden center, with plastic glued to both sides. The four pieces may be arranged to form an equilateral triangle two different ways. The model is hinged.
label: Description
content: This appears to be model 4TH (Equilateral Triangle Inside Out) in Wheeler's list of decompositions of triangles.
label: Description
content: A drawing for this model, dated April 16, 1932, is in 1979.3002.55, folder 2.
label: Description
content: Compare MA.304723.811.
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
label: See more items in
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.304723.812
label: accession number
content: 304723
label: catalog number
content: 304723.812
objectType: label: Object Name
content: geometric model
label: Other Terms
content: Dissection
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: green (overall color)
label: Physical Description
content: red (overall color)
label: Physical Description
content: blue (overall color)
label: Physical Description
content: hinged (overall production method/technique)
label: Measurements
content: average spatial: 1.5 cm x 10.3 cm x 8.8 cm; 19/32 in x 4 1/16 in x 3 15/32 in