Geometric Model by A. Harry Wheeler, One-Sided Polyhedron
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This clear plastic model has a tetrahedron on the inside, without a base. The three sides have identical pentahedra attached to them. One side of each pentahedron is a trapezoid on the side of the tetrahedron, a second is a horizontal trapezoid parallel to the plane of the missing base, and two sides are triangles in the plane of adjacent sides of the underlying tetrahedron. Each pentahedron also has a trapezoid on the outside that begins at the base of the tetrahedron and slopes outward. A small equilateral triangle inside the underlying tetrahedron joins the horizontal trapezoids. A mark on the model reads: 680. Wheeler also called the model M39 in his list of one-sided polyhedra.
label: Description
content: Reference:
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
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.304723.394
label: accession number
content: 304723
label: catalog number
content: 304723.394
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: green (overall color)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: cut and glued (overall production method/technique)
label: Measurements
content: average spatial: 8 cm x 8 cm x 8 cm; 3 5/32 in x 3 5/32 in x 3 5/32 in