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

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

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Description
This hinged dissection has two triangular pieces that 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 1nd 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).
Location
Currently not on view
Object Name
geometric model
date made
ca 1932
ca 1932 04 02
referenced
Wheeler, Albert Harry
maker
Wheeler, Albert Harry
place made
United States: Massachusetts, Worcester
Physical Description
plastic (overall material)
wood (overall material)
metal (overall material)
hinged (overall production method/technique)
green (overall color)
Measurements
overall: 1.5 cm x 11.5 cm x 13 cm; 19/32 in x 4 17/32 in x 5 1/8 in
ID Number
MA.304723.746
accession number
304723
catalog number
304726.746
Credit Line
Gift of Helen M. Wheeler
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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