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Catalog Data

Maker:
Wheeler, Albert Harry  Search this
Physical Description:
plastic (overall material)
Measurements:
overall: 5.2 cm x 8.3 cm x 5.2 cm; 2 1/16 in x 3 9/32 in x 2 1/16 in
Object Name:
Geometric Model
Place made:
United States: Massachusetts, Worcester
Description:
This cut and glued clear plastic model is one of several in which A. Harry Wheeler illustrated properties of polar spherical triangles. A sticker on it reads: PT. An inner polar triangle and one arc of an outer one survives – two faces are missing. The vertices are unlabeled. The model is undated and has no Wheeler number.
For a discussion of polar triangles, see 304723.159. Compare 304723.491, 304723.516, 304723.521, and 1979.0102.212.
Location:
Currently not on view
Subject:
Mathematics  Search this
Credit Line:
Gift of Louise D. Campbell
ID Number:
1979.0102.213
Accession number:
1979.0102
Catalog number:
1979.0102.213
See more items in:
Medicine and Science: Mathematics
Science & Mathematics
Trigonometry
Spherical Trigonometry
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-50fd-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_904950