Geometric Model by A. Harry Wheeler, Intersecting Polar Triangles

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Description
This cut and folded tan paper model shows two intersecting spherical triangles, one with vertices labeled A, B, and C and the other with vertices labeled A2, B2, and C2. A sticker on the model reads IPT*.
For pattern, see 1979.3002.087. The pattern is dated 1945.
Location
Currently not on view
unspecified
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: 5.5 cm x 10 cm x 9 cm; 2 5/32 in x 3 15/16 in x 3 17/32 in
ID Number
MA.304723.689
accession number
304723
catalog number
304723.689
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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