Geometric Model by A. Harry Wheeler, Supplementary Trihedral Angles

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Description
One adjustable tan paper spherical triangle is within a second one, both being on the same sphere. A pattern for this model indicates that it is a model for supplementary trihedral angles. The pattern is dated August 6, 1945, hence the date assigned to the model.
See 1979.3002.056.
Location
Currently not on view
date made
1945
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
paper (overall material)
tan (overall color)
cut and folded (overall production method/technique)
Measurements
average spatial: 7.8 cm x 12.3 cm x 10 cm; 3 1/16 in x 4 27/32 in x 3 15/16 in
ID Number
MA.304723.687
accession number
304723
catalog number
304723.687
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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