Geometric Model by A. Harry Wheeler, Parallelogram Transformable into Trapezoid, Plane Dissection
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This wooden hinged dissection has four pieces that can be arranged as a parallelogram or as a trapezoid. The pieces are colored such that the both the trapezoid and the parallelogram have an inscribed parallelogram.
label: Description
content: This model is listed on Wheeler's list of decompositions of polygons as "Parallelogram into Trapezoid (Small Size Ralph Holm)." He did not assign it a number.
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.304723.777
label: accession number
content: 304723
label: catalog number
content: 304723.777
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: wood (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: brown (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 14 cm x 6 cm; 7/16 in x 5 1/2 in x 2 3/8 in