Geometric Model by A. Harry Wheeler, Square Transformable into an Equilateral Triangle, Plane Dissection

Geometric Model by A. Harry Wheeler, Square Transformable into an Equilateral Triangle, Plane Dissection

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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 Mathematical Gazette. A drawing in 1979.3002.53 dated January 5, 1932 refers to this model as 4C.
This is Wheeler's Model 4ST.
Location
Currently not on view
Object Name
geometric model
date made
ca 1932
maker
Wheeler, Albert Harry
place made
United States: Massachusetts, Worcester
Physical Description
wood (overall material)
metal (overall material)
brown (overall color)
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
ID Number
MA.304723.764
accession number
304723
catalog number
304723.764
Credit Line
Gift of Helen M. Wheeler
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Plane Dissections
Data Source
National Museum of American History
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