Purdy, J.E. (James Edward), Percival Lowell, 1904
Portrait of Percival Lowell, 1904
Tags: Canals, Mars, Percival Lowell
Lowell, Percival, Observations of Mars canal Uranius, 1904
Observations of Mars canal Uranius from May to August 1904
Observations of Mars canal Uranius from January to April 1904
Lowell, Percival, Observations of Mars canal Ulysses, 1905
Observations of Mars canal Ulysses from June to August 1905
Observations of Mars canal Ulysses from February to May 1905
Lowell, Percival, Observations of Mars canal Triton, 1905
Observations of Mars canal Triton from June and July 1905
Observations of Mars canal Triton from January to May 1905
Lowell, Percival 1897, Observations of Mars canal Titan
Observations of Martian canal Titan from January to March 1897
Lowell, Percival 1896, Observations of Mars canal Titan
Observations of Martian canal Titan from August to October 1896
Lowell, Percival, Observations of Mars canal Symaethus W., 1905
Observations of Mars canal Symaethus W. from June to August 1905
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