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Mundus subterraneus in XII libros digestus . LIB XII ARS METALLOSTATICA III citatum ad invicem inveftigandas fumere rumquebombardarumvelocitateparipaftox poflet quod de fagittarum motu globo intelligi velim quam fufifiime in Noftra Mufurgia demon ftravimus ad quam Letlorem remirto ruam Effusa veroaquaclara limpida vasno te