Lowell, Percival, 1855-1916 · New York, The Macmillan company · leaf 7
I ^!•!;■«ii ill ilM Mil i … Saturn — photographed at the Lowell ObservatoryBY Mr. E. C. Slipher, September, 1909. THE EVOLUTION OF WORLDS BY PERCIVAL LOWELL, A.B., LL.D. AUTHOR OF mars AND ITS CANALS, MARS AS TUE ABODE OF LIFE, ETC. DIRECTOR OF THE OBSERVATORY AT FLAGSTAFF, ARIZONA; NON-RESIDENT PROFESSOR OF ASTRONOMY AT THE…
Cosmogony
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