Geometric Model by A. Harry Wheeler, Symmetrical Spherical Triangles

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Description
This cut and folded tan paper model shows two spherical triangles symmetrically located on opposite side of a sphere (only arcs of the sphere is shown). Both of the spherical triangles are subdivided, although the divisions have collapsed.
The model is among those Wheeler dubbed collapsible.
Compare MA.304723.168.
Location
Currently not on view
date made
1916 08 20
1916
associated dates
1916 08 20 / 1916 08 20
1916 08 20 / 1916 08 20
unspecified
Wheeler, Albert Harry
Wheeler, Albert Harry
maker
Wheeler, Albert Harry
place made
United States: Massachusetts, Worcester
associated place
United States: Massachusetts, Worcester
Physical Description
paper (overall material)
tan (overall color)
cut and folded (overall production method/technique)
Measurements
average spatial: 2.5 cm x 5 cm x 5 cm; 31/32 in x 1 31/32 in x 1 31/32 in
ID Number
MA.304723.174
accession number
304723
catalog number
304723.174
Credit Line
Gift of Helen M. Wheeler
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Trigonometry
Spherical Trigonometry
Data Source
National Museum of American History, Kenneth E. Behring Center

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