Photographic investigations of faint nebulae
by Hubble, Edwin
This edition has images.
LoC No.:
20002512
Title:
Photographic investigations of faint nebulae
Original Publication:
Chicago: The University of Chicago Press, 1920.
Series Title:
Publications of the Yerkes Observatory, volume IV part II
Credits:
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.)
Summary:
"Photographic Investigations...