Geometric Model by A. Harry Wheeler, Polar Spherical Triangles
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This cut and folded paper model is one of several in which A. Harry Wheeler illustrated properties of polar spherical triangles. One polar triangle is inside the other. The vertices are unlabeled. The model is undated and has no Wheeler number.
label: Description
content: A loose piece stored with the model has the label: QUADRANTAL ARC
label: Description
content: For a discussion of polar triangles, see MA.304723.159.
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: Trigonometry
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content: Science & Mathematics
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content: Spherical Trigonometry
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.304723.690
label: accession number
content: 304723
label: catalog number
content: 304723.690
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: paper (overall material)
label: Physical Description
content: tan (overall color)
label: Physical Description
content: cut and folded (overall production method/technique)
label: Measurements
content: average spatial: 5 cm x 8.2 cm x 5 cm; 1 31/32 in x 3 7/32 in x 1 31/32 in