Geometric Model by A. Harry Wheeler, One-Sided Polyhedron
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This cut and glued pink plastic model is in the shape of a triangular pyramid. However, there are three-sided indentations along each of the three side edges, with two triangles along the sides and a quadrilateral at the top of each indentation. These quadrilaterals form the bottom of a hexagon that tops the model. The bottom of the model is not flat, but rather a lower triangular pyramid with the same base. The sides of this pyramid contain the triangular sides of the indentations. A mark reads: 650. Wheeler classified this model among his one-sided polyhedra. counting it six vertices, fifteen edges, and ten faces for e – k + f = 1.
label: Description
content: Models MA.304723.378 and MA.304723.362 have the same shape. Models MA.304723.377 and MA.304723.401 have the same shape. Models MA.304723.378 and MA.304723.401 are both marked 650. Models MA.304723.377 and MA.304723.362 are both marked 651.
label: Description
content: Reference:
label: Description
content: A. H. Wheeler, "List of Models," Mathematics Collections, Non-accession number 1979.3002.83, NMAH.
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.304723.378
label: accession number
content: 304723
label: catalog number
content: 304723.378
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: pink (overall color)
label: Physical Description
content: cut and glued (overall production method/technique)
label: Measurements
content: average spatial: 5 cm x 6 cm x 5.5 cm; 1 31/32 in x 2 3/8 in x 2 5/32 in