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Geometric Model by A. Harry Wheeler, Spherical Polar Triangles in Opposite Hemispheres
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This cut and folded tan paper model show two polar spherical triangles in opposite hemispheres. A mark reads: 308.
National Museum of American History’s own descriptionCredit lineGeometric Model by A. Harry Wheeler, Spherical Polar Triangles in Opposite Hemispheres. Wheeler, Albert Harry. National Museum of American History, Gift of Helen M. Wheeler. CC0.