div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-figure-1-leonardo-da-vinci-treatise-on-painting-diagram-from-ca-1506-romehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · Figure 1 Leonardo da Vinci Treatise on Painting Diagram from ca 1506 Rome Vatican Library Codex Urbinas 1 270 f 21 8r Photo: Courtesy of Biblioteca loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220203185c54a6da93f3c317b17df9d6html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document-figure-1-leonardo-da-vinci-treatise-on-painting-diagram-from-ca-1506-romehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · Figure 1 Leonardo da Vinci Treatise on Painting Diagram from ca 1506 Rome Vatican Library Codex Urbinas 1 270 f 21 8r Photo: Courtesy of Biblioteca loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220203185c54a6da93f3c317b17df9d6html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document-figure-1-leonardo-da-vinci-treatise-on-painting-diagram-from-ca-1506-romehtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · Figure 1 Leonardo da Vinci Treatise on Painting Diagram from ca 1506 Rome Vatican Library Codex Urbinas 1 270 f 21 8r Photo: Courtesy of Biblioteca loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220203185c54a6da93f3c317b17df9d6html5thumbnails3jpg width=140 height=200 divdivdiv class=trans-pagebutton...