Geometric Model by A. Harry Wheeler, Spherical Triangles
date: label: date made
content: ca 1945
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This cut and taped tan paper model shows two trihedral angles with the same center and radius but differeng angles facing opposite directions. The radii defining the upper triangle appear to be perpendicular to the lower triangle. The vertices of the upper triangle are labeled A, B, and C and those of the lower triangle are labled A", B", and C".
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.304723.688
label: accession number
content: 304723
label: catalog number
content: 304723.688
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 taped (overall production method/technique)
label: Measurements
content: average spatial: 7.5 cm x 9 cm x 9 cm; 2 15/16 in x 3 17/32 in x 3 17/32 in