Geometric Model by A. Harry Wheeler, Great Circles on a Sphere

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Description
This warped transparent plastic model consists of two circular rings and a circular disc. These intersect to form three great circles on a sphere. A mark on a tag reads: 3GC
Compare 1979.0102.215,1979.0102.344, MA.304723.719, MA.304723.720, MA.304723.723, and MA.304723.727.
Location
Currently not on view
unspecified
Wheeler, Albert Harry
patentee
Wheeler, Albert Harry
maker
Wheeler, Albert Harry
place made
United States: Massachusetts, Worcester
associated place
United States: Massachusetts, Worcester
Physical Description
plastic (overall material)
transparent (overall color)
cut and fit (overall production method/technique)
Measurements
average spatial: 8 cm x 7.5 cm x 10 cm; 3 5/32 in x 2 15/16 in x 3 15/16 in
ID Number
MA.304723.723
accession number
304723
catalog number
304723.723
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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