Geometric Model by A. Harry Wheeler, Collapsible Spherical Sector

Geometric Model by A. Harry Wheeler, Collapsible Spherical Sector

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This collapsible paper geometric model has a ring at the center that hold twelve segments of circles folded in half to form a sector of of a sphere. It is marked in Wheeler's hand: Dec-30-1915. It also has his number 572. Wheeler would go on to take out a patent for models of this type.
December of 1915 was the month of the founding of the Mathematical Association of America at a meeting in Columbus, Ohio. Wheeler did not attend the meeting, but did become a charter member of the MAA.
Currently not on view
Object Name
Geometric Model
date made
Wheeler, Albert Harry
place made
United States: Massachusetts, Worcester
Physical Description
paper (overall material)
tan (overall color)
cut and folded (overall production method/technique)
average spatial: 2 cm x 4.6 cm x 4.6 cm; 25/32 in x 1 13/16 in x 1 13/16 in
ID Number
accession number
catalog number
Credit Line
Gift of Helen M. Wheeler
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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