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kingd.eth
@duaneking
Descriptive Geometry With 3-D Figures, Imre PΓ‘l, 1959 A curious and delightful approach to visualizing geometry that involves anaglyphic diagrams and 3D glasses.
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tim/vortac
@vortac
Where do you find these, Duane? π€― Are the glasses original as well? 150 $degen π«΄ β₯οΈ π
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kingd.eth
@duaneking
Yes, original glasses! Only one pair (out of the original three included). And Iβm very patient with eBay and Abe Books searchesβ¦
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