Geometric Model by A. Harry Wheeler, Triangle Transformable into Trapezoid (Portion), Plane Dissection


This model consists of two triangular pieces hinged at on vertex. It may be arranged as a triangle or a quadrilateral.

There is a model of a triangle with its medians which Wheeler variously designated 6K and 12TD. It consisted of six pieces which arrange to form a triangle. Models MA.304723.745, MA.304723.746 and 1979.0102.189 are the pieces of this partially hinged model.

A drawing ot 12TD, dated April 2, 1932,is in 1979.3002.55 (folder 1).

Date Made: ca 1932

Maker: Wheeler, Albert Harry

Location: Currently not on view

Place Made: United States: Massachusetts, Worcester

Subject: Mathematics


See more items in: Medicine and Science: Mathematics, Science & Mathematics, Plane Dissections


Exhibition Location:

Credit Line: Gift of Helen M. Wheeler

Data Source: National Museum of American History

Id Number: MA.304723.745Catalog Number: 304723.745Accession Number: 304723

Object Name: geometric model

Physical Description: plastic (overall material)wood (overall material)metal (overall material)green (overall color)hinged (overall production method/technique)Measurements: average spatial: 1.5 cm x 1.3 cm x 10.4 cm; 19/32 in x 1/2 in x 4 3/32 in


Record Id: nmah_1073827

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