Geometric Model by A. Harry Wheeler, Tetrakaidekahedron Fourth Species
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: Wheeler designed several models that extended a model with fourteen faces. This is what he called the “fourth species” of the tetrakaidekahedron. It has eight regions that are small triangular pyramids facing inward and hence contribute three triangular sides each. It also has six regions that contribute eight triangular sides each. Finally, twelve regions have two pentagonal and two triangular sides. Many sides appear to be coplanar.
label: Description
content: A mark on the model reads: Tetrakaidodecahedron (/) Fourth Species. A paper tag reads: RS 21. Another mark reads: 9 / 27.
label: Description
content: Compare MA.304723.072 and MA.304723.073. They are not identical.
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.304723.072
label: accession number
content: 304723
label: catalog number
content: 304723.072
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: 10 cm x 11.5 cm x 12.5 cm; 3 15/16 in x 4 17/32 in x 4 29/32 in