[posted] Posted (#72787, Bohr) !

[ajhaines]

On the Constitution of Atoms and Molecules, by Niels Bohr              72787
  [Author: Niels Bohr]
  [Link: https://www.gutenberg.org/7/2/7/8/72787]
  [Files: 72787-h.htm]

Thanks to Laura Natal Rodrigues (Images generously made available by The
Internet Archive.)

Regards,
Al