Geometrical Model by A. Harry Wheeler, Oblique Spherical Triangle
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This small plastic model is of a scalene oblique spherical triangle. It consists of three discs of a sphere with a common center, whose straight edges are glued together to form the spherical triangle. None of the angles between the discs is a right angle (hence the triangle is oblique) and the three angles are unequal (hence the triangle is scalene).
label: Description
content: Models MA.304723.707 and MA.304723.710 are mirror images.
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.304723.707
label: accession number
content: 304723
label: catalog number
content: 304723.707
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: white (overall color)
label: Physical Description
content: cut and glued (overall production method/technique)
label: Measurements
content: average spatial: 2.7 cm x 6.2 cm x 6 cm; 1 1/16 in x 2 7/16 in x 2 3/8 in