div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader040vdocumentssitereader040viewer2022020522575067b61a28ab0f07accdeahtml5page1jpg target=_blank img data-url=courses-on-the-history-of-sciencehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Courses on the History of Science loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentssitereader040viewer2022020522575067b61a28ab0f07accdeahtml5thumbnails1jpg width=140 height=200 adivp© 1920 Nature Publishing Grouppdiv