[posted] Posted (#71654, Hubble) !

[ajhaines]

Photographic investigations of faint nebulae, by Edwin Powell Hubble   71654
  [Author: Edwin Powell Hubble]
  [Link: https://www.gutenberg.org/7/1/6/5/71654]
  [Files: 71654-0.txt; 71654-h.htm]

Thanks to Charlene Taylor, Bryan Ness and the Online Distributed
Proofreading Team at https://www.pgdp.net (This file was produced from
images generously made available by The Internet Archive/American
Libraries.)

Regards,
Al