cut, glued and hinged (overall production method/technique)
Measurements:
average spatial: 1 cm x 16.7 cm x 21 cm; 13/32 in x 6 9/16 in x 8 9/32 in
Object Name:
geometric model
Other Terms:
Dissection
Place made:
United States: Massachusetts, Worcester
Date made:
ca 1932
Description:
The four pieces of this model of a hinged dissection can be arranged as a quadrilateral or as triangle.
This is model 4X in Wheeler's list of decompositions of polygons (under quadrilaterals). A special case of a square interchangeable with an equilatral triangle is illutrated by models MA.304723.764, MA.704723.766, and MA.304723.819. There is a drawing in 1979.3002.55, folder 1, dated January 20, 1932.
Compare the unpainted model that is part of 1979.3002.22.
