div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=the-word-eudiometerhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: The Word Eudiometer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer2022080320575067991a28ab0f07ac4649html5thumbnails1jpg width=140 height=200 divp© 1893 Nature Publishing Grouppdiv