GVILIELMI.GIL 



BERTI COLCESTREN- 



SIS, MEDICI LON-DI- 

 NENSIS, 



DE MAGNET E, MAGNET I- 



CISQ,VE CORPORIBVS,ETDEMAG- 



no niagncte tellurc; Phyfiologia nooa, 



f/urimis ^ argumentiSj O^expe* 



rimcntis dcmonftrata. 



LONDINl 





EXCVDEBAT Petrvs ShortANNO 



Mpg 



Nos. 1526-7. 



The excessively rare first edition of this celebrated work. 



