Geometric Model by A. Harry Wheeler, Line Perpendicular to Two Lines

Geometric Model by A. Harry Wheeler, Line Perpendicular to Two Lines

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Description
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 white plastic platform model shows the intersection of four planes. One serves as the platform and the other three intersect in a line perpendicular to the platform. The third perpendicular plane is represented by a triangle between two other triangles representing perpendicular planes. The line at the base of this central triangle is perpendicular to the line joining the two upper triangles and to the line joining the endpoints of the two other perpendicular triangles. Hence a line perpendicular to two lines.
A sticker on the object reads: A. Harry Wheeler.
Compare MA.304723.650, 1979.0102.183, 1979.0102.265, 1979.0102.266, and 1979.0102.267.
For a related pattern, see 1979.3002.109.
Location
Currently not on view
Object Name
Geometric Model
Other Terms
Geometric Model; Intersection Of Planes
Maker
A. Harry Wheeler
place made
United States: Massachusetts, Worcester
Physical Description
plastic (overall material)
Measurements
overall: 4.7 cm x 7.7 cm x 8 cm; 1 27/32 in x 3 1/32 in x 3 5/32 in
ID Number
1979.0102.330
accession number
1979.0102
catalog number
1979.0102.330
Credit Line
Gift of Louise D. Campbell
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History
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