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Geometric Model by A. Harry Wheeler, Spherical Triangles
CC0 · no rights reserved

Geometric Model by A. Harry Wheeler, Spherical Triangles

Wheeler, Albert Harry · ca 1945 · paper (overall material)

From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.

About this work

This cut and taped tan paper model shows two trihedral angles with the same center and radius but differeng angles facing opposite directions. The radii defining the upper triangle appear to be perpendicular to the lower triangle. The vertices of the upper triangle are labeled A, B, and C and those of the lower triangle are labled A", B", and C".

National Museum of American History’s own description
Subjects
ModelsMedicine and Science: Mathematics
Credit lineGeometric Model by A. Harry Wheeler, Spherical Triangles. ca 1945. Wheeler, Albert Harry. National Museum of American History, Gift of Helen M. Wheeler. CC0.
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