Geometric Model by R. L. Curtis, a Student of A. Harry Wheeler, One-Sided Polyhedron

Geometric Model by R. L. Curtis, a Student of A. Harry Wheeler, One-Sided Polyhedron

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This cut, folded and glued paper model has tetrahedral symmetry. The model appears to be the union of four faceted octahedra (also called heptahedra or tetrahemihexahedra - models like MA.304723.380).
A mark on the model reads: 662. Another mark reads: Curtis 10/18/38.
Wheeler referred to this model as being from Brűckner VIII – 36. He gave it the additional number M21.
Compare models MA.304723.415 and MA.304723.391. They are not identical
A.H. Wheeler, Catalog of Models, A. H. Wheeler Papers, Mathematics Collections, National Museum of American History
Currently not on view
Object Name
Geometric Model
date made
1938 10 18
Wheeler, Albert Harry
Curtis, Robert L.
place made
United States: Massachusetts, Worcester
Physical Description
paper (overall material)
tan (overall color)
cut and glued (overall production method/technique)
average spatial: 10 cm x 12 cm x 11.5 cm; 3 15/16 in x 4 23/32 in x 4 17/32 in
ID Number
catalog number
accession number
Credit Line
Gift of Helen M. Wheeler
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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