Photographic investigations of faint nebulae

Language

en

Duration

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Series

Publications of the Yerkes Observatory, volume IV part II

Publisher of text edition

Project Gutenberg

Original publisher

Chicago: The University of Chicago Press, 1920.

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.)

Release date

2023-09-15

Rights

Public domain in the USA.