div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=the-pope-collection-of-alchemical-paintings-and-engravingshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: The Pope Collection of Alchemical Paintings and Engravings loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer2022020312575067e31a28ab0f07ad9bbchtml5thumbnails1jpg width=140 height=200 divp© 1941 Nature Publishing Grouppdiv