Geometric Model by A. Harry Wheeler, Triangle Transformable into Triangle (Incomplete), Plane Dissection
date: label: date made
content: ca 1932
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: This partially hinged dissection has three pieces. It can be arranged as a near-parallelogram or as a triangle in two ways. A protrusion from one edge and a hole in another edge do not meet.
label: Description
content: These are three of the four pieces in Wheeler's model 4H. A drawing for the model, dated January 6, 1932, is in 1979.3002.55, folder 2. It indicates that the missing piece is a triangle which can be added, with the pieces arranged to form a triangle in three ways.
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
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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.304723.753
label: accession number
content: 304723
label: catalog number
content: 304723.753
objectType: label: Object Name
content: geometric model
label: Other Terms
content: Dissection
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: white (overall color)
label: Physical Description
content: yellow (overall color)
label: Physical Description
content: blue (overall color)
label: Physical Description
content: hinged (overall production method/technique)
label: Measurements
content: average spatial: 1.2 cm x 14 cm x 6.5 cm; 15/32 in x 5 1/2 in x 2 9/16 in