Geometric Model by A. Harry Wheeler, Lunes on the Surface of a Sphere

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Description
This cut and folded tan paper model is made of four discs folded in half and fitted into holes in a perpendicular smaller disc. Hence Wheeler represents a sphere divided into eight lunes. A mark on the model reads: Dec-14-1915. A tag on it reads: 316. The model is, to use Wheeler’s language, collapsible.
Location
Currently not on view
date made
1915 12 14
1915
associated dates
1915 12 14 / 1915 12 14
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 5.5 cm x 5.5 cm; 2 5/32 in x 2 5/32 in x 2 5/32 in
ID Number
1979.0102.353
catalog number
1979.0102.353
accession number
1979.0102
Credit Line
Gift of Louise D. Campbell
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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