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Geometric Model by A. Harry Wheeler, Plane Bisecting a Dihedral Angle

Geometric Model by A. Harry Wheeler, Plane Bisecting a Dihedral Angle

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In this model, three vertical white plastic rectangles that intersect along one edge are cut perpendicularly by another rectangle,also in white plastic. Portions of this horizontal rectangle represent the dihedral angle..The two outermost vertical rectangles bound it, the third vertical rectangle bisects it..
A mark on a tag on the model reads: DIH-PL. Another tag reads: A. Harry Wheeler
For the pattern, see 1979.0102.109.
Currently not on view
Object Name
Geometric Model
date made
ca 1945
A. Harry Wheeler
place made
United States: Massachusetts, Worcester
Physical Description
plastic (overall material)
overall: 4.8 cm x 7.5 cm x 7.5 cm; 1 7/8 in x 2 15/16 in x 2 15/16 in
ID Number
accession number
catalog number
Credit Line
Gift of Louise D. Campbell
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History
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