Newly digitized at Houghton: one of my all-time favorite books and the thing I would get a tattoo of if I weren't paralyzingly terrified of needles, Byrne's Euclid. It's a masterpiece of design and printing, and a fascinating prefiguring of Mondrian almost a century beforehand. https://nrs.lib.harvard.edu/urn-3:fhcl.hough:105013714
Now *that's* how you write a catalog headline. There's a copy on HathiTrust if you want to do the kind of perving that was previously only the province of kings, but be advised that it gets weird right away. https://babel.hathitrust.org/cgi/pt?id=gri.ark:/13960/t73t9hj0q image