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…then also it was that Pliny the Second, that great searcher of Nature, and famous Author of the Natural History, and then Admiral of the Roman Navy, desirous to discover the Reason, was suffocated in his too near approaches, and research after so great a Mystery of Nature; As witnesseth his Nephew, in an Epistle to Cornel. Tacitus. Not indeed willfully, and …
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/Kircher/volcanoes/chapter5.php