Geometric Model by A. Harry Wheeler, Two Lines with Perpendicular 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.
label: Description
content: In this plastic model, thewhite rectangular base has white a rectangle perpendicular to it. Transparent green triangles are attached to the rectangles. A tag on the model reads: 2L (...) PL. 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
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.304723.732
label: accession number
content: 304723
label: catalog number
content: 304723.732
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: white (overall color)
label: Physical Description
content: green (overall color)
label: Physical Description
content: cut and glued (overall production method/technique)
label: Measurements
content: average spatial: 4 cm x 7.5 cm x 5 cm; 1 9/16 in x 2 15/16 in x 1 31/32 in