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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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Paul Prudence
@paul-prudence
Aces! 100 $degen
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July
@july
So sick also welcome back from the travels
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