Geometric Model by A. Harry Wheeler, Square Transformable into an Equilateral Triangle, Plane Dissection
date: label: date made
content: ca 1932.
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: These four hinged pieces may be arranged a an equilateral triangle or a square.
label: Description
content: Compare MA.304723.764, MA.304723.819, MA.304723.766, and MA.304723.823.
label: Description
content: This is similar but not identical to Wheeler's Model 4ST. Two drawings for that puzzle, both dated January 17, 1932 and April 26, 1932, are in 1979.3002.43, folder 1. The drawings refers to the Mathematical Gazette - no volume or page is given. A drawing in 1979.3002.53 dated January 5, 193? refers to this model as 4C.
label: Description
content: References:
label: Description
content: Fredrickson, Greg N., <I>Dissections Plane and Fancy</I>, pp. 136-137 attributes publication of this dissection to Dudeney (1902).
label: Description
content: H. E. Dudeney, <I>The Canterbury Puzzles</I>, pp. 49-50, 178-180. Dudeney specifically points out on p.180 that the puzzle may be made with the pieces hinged. The first edition of the book appeared in 1907, the second in 1919.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Worcester
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Science & Mathematics
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content: Plane Dissections
creditLine: label: Credit Line
content: Gift of Helen M. Wheeler
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304723.766
label: accession number
content: 304723
label: catalog number
content: 304723.766
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: turquoise (overall color)
label: Physical Description
content: red (overall color)
label: Physical Description
content: yellow (overall color)
label: Physical Description
content: black (overall color)
label: Physical Description
content: cut, glued and hinged (overall production method/technique)
label: Measurements
content: average spatial: 1.1 cm x 13.2 cm x 20.2 cm; 7/16 in x 5 3/16 in x 7 15/16 in