Geometric Model by A. Harry Wheeler, Polar Spherical Triangles

<< >>
Description
This cut and folded tan paper model is one of several in which A. Harry Wheeler illustrated properties of polar spherical triangles. A sticker on it reads: PTa*, 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.304723.516. For a related drawing (undated) 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: 5 cm x 9.5 cm x 9 cm; 1 31/32 in x 3 3/4 in x 3 17/32 in
ID Number
MA.304723.521
accession number
304723
catalog number
304723.521
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