The chemical nature of the alpha particles from radioactive substances 71088 [Full title: The chemical nature of the alpha particles from radioactive substances] [Full author's name: Ernest Rutherford] [Author: Ernest Rutherford] [Link: https://www.gutenberg.org/7/1/0/8/71088] [Files: 71088-0.txt; 71088-h.htm] Thanks to Laura Natal Rodrigues (Images generously made available by the Nobel Foundation.) Regards, Jacqueline