Geometric Model by A. Harry Wheeler, Quadrilateral Inside Out, Plane Dissection
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This hinged dissection has four pieces which may be arranged as a quadrilateral in two ways. An inscribed parallelogram transforms inside out. The model has a wooden base, metal hinges and a plastic top.
label: Description
content: This appears to be Wheeler's model 4S, a Quadrilateral Inside Out. See his list of decomposition of polygons.
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.304723.756
label: accession number
content: 304723
label: catalog number
content: 304723.756
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: red (overall color)
label: Physical Description
content: cut, glued and hinged (overall production method/technique)
label: Measurements
content: average spatial: 1 cm x 24.5 cm x 14.5 cm; 13/32 in x 9 21/32 in x 5 23/32 in