Geometric Model by A. Harry Wheeler, Icosidodecahedron
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This faces of this tan plastic model are twenty equilateral triangles and twelve pentagons. The sides and solid angles of the figure are equal, and it is called a semi-regular solid. The ancient Greek mathematician Archimedes enumerated the eighteen regular and semi-regular solids, and they are known as Archimedean solids in his honor.
label: Description
content: The model is marked on a typed paper tag: RS 9. It is marked in ink: IX (/) 14. This model had Wheeler’s number 14 and was number IX of his Archimedean solids.
label: Description
content: Reference:
label: Description
content: Magnus J. Wenninger, <I>Polyhedron Models</I>, Cambridge: The University Press, 1971, p. 26.
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
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.304723.475
label: accession number
content: 304723
label: catalog number
content: 304723.475
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: tan (overall color)
label: Physical Description
content: cut and glued (overall production method/technique)
label: Measurements
content: average spatial: 8.5 cm x 11 cm x 8.7 cm; 3 11/32 in x 4 11/32 in x 3 7/16 in