Geometric Model by A. Harry Wheeler, Parallelogram Transformable into Triangle, Plane Dissection
date: label: date made
content: ca 1932
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: The four pieces of this hinged dissection can be arranged as a parallelogram or a triangle. The plastic that covers the pieces has been chosen so that a parallelogram appears inscribed in both forms of the model.
label: Description
content: This is Wheeler's transfomation 4Y. See 1979.3002.43 (folder 2) and 1979.3002.43 (folder1).
label: Description
content: The drawing in folder 1 is dated January 20, 1932. It is entitled "Parallelogram into a Triangle."
label: Description
content: An annotation with the drawing attributes it to Taylor. <I>Messanger of Mathematics</I>, Aug 1905-April 1906, pp. 96-97. See also 1979.3002.50.
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
label: See more items in
content: Science & Mathematics
label: See more items in
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.304723.783
label: accession number
content: 304723
label: catalog number
content: 304723.783
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: green (overall color)
label: Physical Description
content: brown (overall color)
label: Physical Description
content: hinged (overall production method/technique)
label: Measurements
content: average spatial: 1.8 cm x 21.5 cm x 12.8 cm; 23/32 in x 8 15/32 in x 5 1/32 in