Geometric Model by A. Harry Wheeler, Perpendicular to a Plane from an External Point
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. These other pieces sometimes penetrated the platform. Ths green. orange and clear yellow plastic model shows a perpendicular to a plane passing through an external point. It has a metal base. a tag on the base gives the name of the model.
label: Description
content: Reference::
label: Description
content: George A. Wentworth, <I>Plane and Solid Geometry</I>, Boston: Ginn, 1899, p. 261-262.
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: 1979.0102.179
label: accession number
content: 1979.0102
label: catalog number
content: 1979.0102.179
objectType: label: Object Name
content: Geometric Model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 5.1 cm x 5 cm x 7.7 cm; 2 in x 1 31/32 in x 3 1/32 in