Geometric Model by A. Harry Wheeler, Tetrahemihexahedron or Heptahedron (One-Sided Polyhedron)
name: label: Maker
content: A. Harry Wheeler
notes: label: Description
content: This red, white, yellow and blue plastic model is in the shape of a regular octahedron but has four alternating faces removed and replaced by inward-facing triangular pyramids. It is a one-sided polyhedron. A typed paper tag on the model reads: A. Harry Wheeler. Another tag reads: M1.
label: Description
content: Wenninger calls this surface a tetrahemihexahedron. Wheeler called it a heptahedron.
label: Description
content: Compare 1979.0102.175, 1979.0102.176, 1979.0102.177, 1979.0102.190, 1979.0102.203, 1979.0102.272, 1979.0102.304, MA.304723.366, MA.304723.380, MA.304723.387, and MA.304723.419.
label: Description
content: References:
label: Description
content: Magnus J. Wenninger, <I>Polyhedron Models</I>, Cambridge: The University Press, 1971, p. 101.
label: Description
content: A.H. Wheeler, <I>Catalog of Models</I>, A. H. Wheeler Papers, Mathematics Collections, National Museum of American History
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
creditLine: label: Credit Line
content: Gift of Louise D. Campbell
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.0102.175
label: accession number
content: 1979.0102
label: catalog number
content: 1979.0102.175
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 11 cm x 7.8 cm x 7.8 cm; 4 11/32 in x 3 1/16 in x 3 1/16 in