[Heliogravure plates in Photographs of nebulae and clusters made with the Crossley reflector]
Description:
"70 "heliogravure" plates of photographs of the heavens taken between 1898 and 1900. The Photogravure and Color Company, New York did the plates."--Hanson Collection catalog, p. 139
Forms part of the David A. Hanson Collection of the History of Photomechanical Reproduction
Special note tipped in before front: Plates 10 and 12 exhibit rings around some of the stars which have been accentuated due to subsequent photographic processes and steel engraving -- In: Photographs of nebulae and clusters made with the Crossley reflector / by James Edward Keeler, director of the Lick Observatory, 1898-1900. [Sacramento : W.W. Shannon, superintendent of state printing, 1908] -- Title supplied by cataloger