Geometric Model by A. Harry Wheeler, Line Perpendicular to Two Parallel Planes
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: To show relationships among planes and angles, A. H. Wheeler designed a series of what he called platform models. All of these had a rectangular platform, with other segments (often other rectangles) secured to it. This tan paper platform model showsTwo intersecting rectangles that lie between two other rectangles. One of the intersecting rectangles rotates, carrying the top rectangle with it. The line segment representing the intersection of the intersecting rectangles is perpendicular to the two horizontal planes.
label: Description
content: A tag on the object reads: Pat 1,292,188. Another tag reads: A. Harry Wheeler. Another tag reads: 2 II PL - L[. . .]. The bracketed part of the mark is a symbol for perpendicular.
label: Description
content: For related pattern, see 1979.3002.109.
label: Description
content: Reference:
label: Description
content: A. H. Wheeler, "Blank for Forming Hollow Polyhedrons," U.S. Patent 1,292,188, January 21, 1919. This model is not shown in the patent drawings.
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
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.304723.649
label: accession number
content: 304723
label: catalog number
content: 304723.649
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: paper (overall material)
label: Physical Description
content: white (overall color)
label: Physical Description
content: cut and folded (overall production method/technique)
label: Measurements
content: average spatial: 8 cm x 12 cm x 7 cm; 3 5/32 in x 4 23/32 in x 2 3/4 in