Geometric Model by A. Harry Wheeler, Two Lines with Perpendicular Planes
name: label: Maker
content: A. Harry Wheeler
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 plastic model, a tan rectangular base has a tan rectangle perpendicular to it. Transparent green triangles are attached to the rectangles. A tag on the model reads: 2L[. . .]PL. The brackets indicate where a sign for perpendicular is. Another tag reads: A.Harry Wheeler
label: Description
content: Compare MA.304723.732, 1979.0102.181, 1979.0102.182, and 1979.0102.261.
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
creditLine: label: Credit Line
content: Gift of Louise D. Campbell
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.0102.182
label: accession number
content: 1979.0102
label: catalog number
content: 1979.0102.182
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 4 cm x 4.7 cm x 7.6 cm; 1 9/16 in x 1 27/32 in x 3 in