Geometric Model by a. Harry Wheeler, Trirectangular Spherical Triangle

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.

Date Made: ca 1945

Maker: Wheeler, Albert Harry

Location: Currently not on view

Place Made: United States: Massachusetts, Worcester

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Trigonometry, Science & Mathematics, Spherical Trigonometry

Exhibition:

Exhibition Location:

Credit Line: Gift of Helen M. Wheeler

Data Source: National Museum of American History

Id Number: MA.304723.709Accession Number: 304723Catalog 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

Guid: http://n2t.net/ark:/65665/ng49ca746a9-314e-704b-e053-15f76fa0b4fa

Record Id: nmah_1073517

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