Memoirs of the Lowell Observatory: Memoir on a trans-Neptunian Planet and Memoir on Saturn's Rings [Two Volumes]
Lynn, MA. 1915: Thos. P. Nichols & Son Co. First Edition. Quarto. In two Volumes. Lowell was an American astronomer who predicted the existence of a planet beyond the orbit of Neptune. He published a series of "Memoirs of the Lowell Observatory" containing theoretical researches of his personal studies of..... More