div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: The Word Eudiometer src=https:reader035vdocumentssitereader035viewer2022080320575067991a28ab0f07ac4649html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1893 Nature Publishing Grouppdiv