A Selection of Photographs of Stars, Star-clusters and Nebulae, Together with Information Concerning the Instruments and the Methods Employed in the Pursuit of Celestial Photography, by Isaac Roberts,... - Photographs of Stars, Star-clusters and Nebulae, Together with Records of Results Obtained in the Pursuit of Celestial Photography...
Author : Isaac Roberts
Publisher :
Page : pages
File Size : 16,58 MB
Release : 1893
Category :
ISBN :