CC0 · no rights reserved
Geometric Model by A. Harry Wheeler, Two Collapsible Intersecting Spherical Polar Triangles
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 collapsible model shows two intersecting spherical polar triangles. Wheeler assigned it a different number than MA.304723.177.
National Museum of American History’s own descriptionCredit lineGeometric Model by A. Harry Wheeler, Two Collapsible Intersecting Spherical Polar Triangles. Wheeler, Albert Harry. National Museum of American History, Gift of Helen M. Wheeler. CC0.