Geometric Model by A. Harry Wheeler, Polar Spherical Triangles

<< >>
Description
This cut and folded paper model is one of several in which A. Harry Wheeler illustrated properties of polar spherical triangles. A sticker on it reads: PT*. One polar triangle is inside the other. The vertices are unlabeled. The model is undated and has no Wheeler number.
For a discussion of polar triangles, see MA.304723.159. Compare MA.304723.491, MA.304723.516, and MA.304723.521.
For pattern see 1979.3002.087.
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: 4.5 cm x 7.8 cm x 7.2 cm; 1 25/32 in x 3 1/16 in x 2 27/32 in
ID Number
MA.304723.664
accession number
304723
catalog number
304723.664
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

Comments

Add a comment about this object