[posted] Posted (#69635, Curie) !

[Roger Frank]

Recent research on radioactivity, by Pierre Curie                      69635
  [Author: Pierre Curie]
  [Link: https://www.gutenberg.org/6/9/6/3/69635]
  [Files: 69635-h.htm]

Thanks to Laura Natal Rodrigues (Images generously made available by Hathi
Trust Digital Library.)

Regards,
Roger