div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Ericssons Researches on the Sun src=https:reader031vdocumentssitereader031viewer2022020405575067871a28ab0f07abf2b1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1875 Nature Publishing Grouppdiv