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This hinged dissection has two triangular pieces that may be arranged as a triangle or a quadrilateral.
There is a model of a partially hinged dissection 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 model.
A drawing ot 12TD, dated April 2, 1932, is in 1979.3002.55 (folder 1).
Currently not on view
ca 1932 04 02
Wheeler, Albert Harry
United States: Massachusetts, Worcester
wood (overall material)
plastic (overall material)
overall: 7.5 cm x 11.5 cm x 1.3 cm; 2 15/16 in x 4 17/32 in x 1/2 in