Catalogue of Stars Within One Degree of the North Pole and Optical Distortion of the Helsingfors Astro-Photographic Telescope Deduced From Photographic Measures: -1900

Helsingfors

by Caroline Ellen Furness

Paperback

details (USA).
(see also: Leather Bound)

ISBN: 978-1-112-24561-9

ISBN-10: 1-112-24561-8

Cornell University Library · 2009