div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Johannes Kepler in seinen Briefen src=https:reader031fdocumentpubreader031viewer2022020522575067c81a28ab0f07ad2090html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1930 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Johannes Kepler in seinen Briefen src=https:reader031fdocumentpubreader031viewer2022020522575067c81a28ab0f07ad2090html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1930 Nature Publishing Grouppdiv