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Geometric Model by A. Harry Wheeler, Measurment of a Spherical Angle

Geometric Model by A. Harry Wheeler, Measurment of a Spherical Angle

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Description
This cut paper tan model consists of two pieces showing circular discs with a projecting tangent plane at the top, as well as a paper ring of the same diameter. The ring fits in the intersecting discs to show how one measures a spherical angle. Two stickers read: MSA*. Another mark reads: Pat 1,192,483.
Compare MA.304723.156, MA.304723.671, and MA.304723.663. For pattern, see 1979.3002.087.
Location
Currently not on view
Object Name
Geometric Model
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: 7.8 cm x 7.8 cm x 7.8 cm; 3 1/16 in x 3 1/16 in x 3 1/16 in
ID Number
MA.304723.663
accession number
304723
catalog number
304723.663
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
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