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Patterns and Drawings Relating to Models for Spherical Trigonometry

Patterns and Drawings Relating to Models for Spherical Trigonometry

The sheets in this folder hold patterns for the following models for spherical trigonometry:
Bi-Rectangular Spherical Triangle -- (B R)ST dated Jan 25-1945
Quadrantal Spherical Triangle - QST - dated Jan 25-1945
Obtuse Spherical Triangle San Francisco Honolulu Tokio - SF,H,T - dated Jan 26-1945
Congruent and Symmetric Spherical Triangles - C, S, SA - dated February 8-1943
Currently not on view
Object Name
Sheets and Patterns
date made
associated dates
1943 01 08 / 1943 01 08, 1945 06 25 / 1945 06 25
Wheeler, Albert Harry
Wheeler, Albert Harry
associated place
United States: Massachusetts, Worcester
Physical Description
paper (overall material)
metal (overall material)
tan (overall color)
gold (overall color)
silver (overall color)
average spatial: 24 cm x 31.5 cm x.5 cm; 9 7/16 in x 12 13/32 in x 3/16 in
ID Number
catalog number
nonaccession number
Credit Line
Gift of Louise D. Campbell
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Spherical Trigonometry
Data Source
National Museum of American History
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