Geometric Model by A. Harry Wheeler, Spherical Triangles and Lunes

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Description
This cut and folded tan paper model consists of two discs and a ring, fit together to form lunes and spherical triangles. A sticker on the model reads: ST-LU*. Another sticker reads: Pat 1,192,483. Below this a sticker reads: A. Harry Wheeler.
Compare MA.304723.667 and MA.304723.670. For a pattern, see 1979.3002.095. Several patterns stored with this one are from 1945.
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 folded (overall production method/technique)
Measurements
average spatial: 5 cm x 8.5 cm x 8.2 cm; 1 31/32 in x 3 11/32 in x 3 7/32 in
ID Number
MA.304723.670
accession number
304723
catalog number
304723.670
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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