Geometric Model by A. Harry Wheeler, Spherical Triangles

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Description
This cut and taped tan paper model shows two trihedral angles with the same center and radius but differeng angles facing opposite directions. The radii defining the upper triangle appear to be perpendicular to the lower triangle. The vertices of the upper triangle are labeled A, B, and C and those of the lower triangle are labled A", B", and C".
Location
Currently not on view
date made
ca 1945
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 taped (overall production method/technique)
Measurements
average spatial: 7.5 cm x 9 cm x 9 cm; 2 15/16 in x 3 17/32 in x 3 17/32 in
ID Number
MA.304723.688
accession number
304723
catalog number
304723.688
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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