MAGELLAIVIC PRE1?IIU1?I 



AMERICAN PHILOSOPHICAL SOCIETY, 



This premium arises from a donation made fo the Society by John 

 Hyacinth de Magellan, of London, the interest of which is annually 

 to be disposed of in premiums, to be adjudged by the Society, accord- 

 ing to certain regulations, to the author of the best discovery, or most 

 useful invention relating to Navigation, Astronomy or Natural Philo- 

 sophy (mere natural history only excepted). 



According to the conditions prescribed by the donor, the premium 

 shall consist of an oval plate of solid standard gold, of the value of 

 ten guineas, with appropriate inscriptions, &c. 



The candidate shall send his discovery, invention or improvement, 

 addressed to the President or one of the Vice-Presidents of the Soci- 

 ety, free of postage or other charges, and shall distinguish his per- 

 formance by some motto, device, or other signature. He shall also 

 send a sealed letter, containing the same motto, device or signature, 

 and subscribed with the real name and place of residence of the au- 

 thor, which letter shall not be opened unless the candidate be suc- 

 cessful. 



No discovery, invention or improvement shall be entitled to this 

 premium which has been already published, or for which the author 

 has been publicly rewarded elsewhere. 



The candidate shall communicate his discovery, invention or im- 

 provement, either in the English, French, German or Latin lan- 

 guage. 



Philadelphia, July 1, 1857. 



