cut, glued and hinged (overall production method/technique)
Measurements:
average spatial: 1 cm x 10 cm x 10 cm; 13/32 in x 3 15/16 in x 3 15/16 in
Object Name:
geometric model
Place made:
United States: Massachusetts, Worcester
Date made:
ca 1932
Description:
The four pieces of this hinged dissection may be arranged as a square or as an equilateral triangle.
Compare MA.304723.764, MA.304723.819, MA.304723.766, and MA.304723.823. There are two drawings for a related puzzle, 4ST, both dated January 17,1932 and April 26, 1932, in 1979.3002.43, folder 1. The drawings refers to the <I>Mathematical Gazette</I>. A drawing in 1979.3002.53 dated January 5, 1932 refers to this model as 4C.