Geometric Model by a. Harry Wheeler, Trirectangular Spherical Triangle

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Geometric Model by A. Harry Wheeler, Trirectangular Spherical Triangle
Geometric Model by A. Harry Wheeler, Trirectangular Spherical Triangle
Geometric Model by A. Harry Wheeler, Trirectangular Spherical Triangle
Geometric Model by A. Harry Wheeler, Trirectangular Spherical Triangle

Object Details

maker

Wheeler, Albert Harry

Description

This small plastic mode consists of three quadrants of a disc with a common center glued together at right angles to form a spherical triangle with three right angles. Such spherical triangles are called trirectangular. A sticker on the model reads: TR.ST.

Location

Currently not on view

Credit Line

Gift of Helen M. Wheeler

date made

ca 1945

ID Number

MA.304723.709

accession number

304723

catalog number

304723.709

Object Name

Geometric Model

Physical Description

plastic (overall material)

white (overall color)

cut and glued (overall production method/technique)

Measurements

average spatial: 5.2 cm x 5.2 cm x 5.2 cm; 2 1/16 in x 2 1/16 in x 2 1/16 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/ng49ca746a9-314e-704b-e053-15f76fa0b4fa

Record ID

nmah_1073517