985A

"Mars and its Canals" by Percival Lowell 1906, 393pp., hard) "Eleven years have elapsed since the...

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 Mars and its Canals  by Percival Lowell 1906, 393pp., hard)  Eleven years have elapsed since the...
"Mars and its Canals" by Percival Lowell 1906, 393pp., hard) "Eleven years have elapsed since the writer's first work on Mars was published in which were recorded the facts gleaned in his research up to that time and which set forth a theory of their explanation. Continued work in the interval has confirmed the conclusions there stated; sometimes in quite unexpected ways...Five times during that period Mars has approached the earth within suitable scanning distance and has been subjected to careful and prolonged scrutiny...A mass of new material has thus been collected, - some of it along old lines, some of it in lines that are themselves new, - and both have led to the same outcome. In addition to thus pushing inquiry into advanced portions of the subject, study has been spent in investigation of the reality of the phenomena upon which so much is based in in testing every theory which as been suggested to account for them". An important work by one of the foremost astronomers of his time. Excellent overall condition. Estimate: $ 150 - 250