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. A sticker on it reads: PT*. One polar triangle is inside the other. The vertices are unlabeled. The model is undated and has no Wheeler number.
label: Description
content: For a discussion of polar triangles, see MA.304723.159. Compare MA.304723.491, MA.304723.516, MA.304723.521, MA.304723.664, and MA.304723.665. This model is considerable larger than MA.304723.664.
label: Description
content: For pattern see 1979.3002.087.
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: Trigonometry
label: See more items in
content: Science & Mathematics
label: See more items in
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.304723.665
label: accession number
content: 304723
label: catalog number
content: 304723.665
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: 6.2 cm x 8.8 cm x 9.8 cm; 2 7/16 in x 3 15/32 in x 3 27/32 in