Geometric Model by A. Harry Wheeler, Two Lines Perpendicular to the Same Plane
date: label: date made
content: 1916
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.
label: Description
content: In this cut and folded platform model, the rectangular base has two intersecting triangles perpendicular to it. A rectangle bisects the angle of intersection of these planes, with one edge along the line of intersection of the triangles The opposite side of the rectangle also is perpendicular to the base.
label: Description
content: Reference::
label: Description
content: George A. Wentworth, <I>Plane and Solid Geometry</I>, Boston: Ginn, 1899, p. 259.
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.304723.264
label: accession number
content: 304723
label: catalog number
content: 304723.264
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: paper (overall material)
label: Physical Description
content: tan (overall color)
label: Physical Description
content: cut and folded (overall production method/technique)
label: Measurements
content: average spatial: 7.6 cm x 11.5 cm x 7 cm; 3 in x 4 17/32 in x 2 3/4 in