Geometric Model by A. Harry Wheeler, Polar Spherical Triangles

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Geometric Model by A. Harry Wheeler, Polar Spherical Triangles
Geometric Model by A. Harry Wheeler, Polar Spherical Triangles
Geometric Model by A. Harry Wheeler, Polar Spherical Triangles

Object Details

maker

Wheeler, Albert Harry

Description

This cut and folded paper model is one of several in which A. Harry Wheeler illustrated properties of polar spherical triangles. A sticker on it reads: PT*. One polar triangle is inside the other. The vertices are unlabeled. The model is undated and has no Wheeler number.

For a discussion of polar triangles, see MA.304723.159. Compare MA.304723.491, MA.304723.516, and MA.304723.521.

For pattern see 1979.3002.087.

Location

Currently not on view

Credit Line

Gift of Helen M. Wheeler

ID Number

MA.304723.664

accession number

304723

catalog number

304723.664

Object Name

Geometric Model

Physical Description

paper (overall material)

tan (overall color)

cut and folded (overall production method/technique)

Measurements

average spatial: 4.5 cm x 7.8 cm x 7.2 cm; 1 25/32 in x 3 1/16 in x 2 27/32 in

place made

United States: Massachusetts, Worcester

See more items in

Medicine and Science: Mathematics

Trigonometry

Science & Mathematics

Spherical Trigonometry

Data Source

National Museum of American History

Subject

Mathematics

Metadata Usage

CC0

Link to Original Record

https://n2t.net/ark:/65665/ng49ca746a9-2468-704b-e053-15f76fa0b4fa

Record ID

nmah_1073384