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Report a problem related to object: Admiranda de vacuo, scilicet Valeriani Magni demonstratio ocularis de possibilitate vacui. Eiusdem altera pars demonstrationis ocularis. D. De Roberval Narratio de vacuo. Valeriani responsio ad D. de Roberval. Responsio eiusdem ad Peripateticum Cracoviensem