div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer2022020522575067bd1a28ab0f07acebc0html5page1jpg target=_blank img data-url=a-course-of-laboratory-experiments-on-physico-chemical-principleshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Course of Laboratory Experiments on Physico-Chemical Principles loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer2022020522575067bd1a28ab0f07acebc0html5thumbnails1jpg width=140 height=200 adivp© 1924 Nature Publishing Grouppdiv