div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Emission of Beta-Rays from Substances bombarded with Neutrons src=https:reader030fdocumentsinreader030viewer2022020312575067d71a28ab0f07ad675ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1936 Nature Publishing Grouppdiv