MAGELLANIC PREMIUM 



Founded in 1786 by John Hyacinth de Magellan, of London 



1923 



THE AMERICAN PHILOSOPHICAL SOCIETY 



Held at Philadelphia, for Promoting Useful Knowledge 



ANNOUNCES THAT IN 



DECEMBER, 1923 



IT Wr:,L AWARD ITS 



MAGELLANIC GOLD MEDAL 



TO THE AUTHOR OF THE BEST DISCOVERY, OR MOST USEFUL INVENTION, RE- 

 LATING TO NAVIGATION, ASTRONOMY, OR NATURAL PHILOSOPHY (mERH 

 NATURAL HISTORY ONLY EXCEPTED ) UNDER THE FOLLOWING CONDITIONS : 



1. The candidate shall, on or before November i, 1923, deliver free of postage 

 or other charges, his discovery, invention or improvement, addressed to the 

 President of the American Philosophical Society, No. 104 South Fifth Street, 

 Philadelphia, U. S. A., and shall distinguish his performance by some niotto, 

 device, or other signature. With his discovery, invention, or improvement, he 

 shall also send a sealed letter containing the same motto, device, or other sig- 

 nature, and subscribed with the real name and place of residence of the author. 



2. Persons of any nation, sect or denomination whatever, shall be ad- 

 mitted as candidates for this premium. 



3. No discovery, invention or improvement shall be entitled to this premium 

 which hath been already published, or for which the author hath been publicly 

 rewarded elsewhere. 



4. The candidate shall communicate his discovery, invention or improvement, 

 either in the English, French, German, or Latin language. 



5. A full account of the crowned subject shall be published by the Society, 

 as soon as may be after the adjudication, either in a separate publication, or in 

 the next succeeding volume of their Transactions, or in both. 



6. The premium shall consist of an oval plate of solid standard gold of the 

 value of ten guineas, suitably inscribed, with the seal of the Society annexed to 

 the medal by a ribbon. 



{Ill correspondence in relation hereto should be addressed 



To THE Secretaries of the 



AMERICAN PHILOSOPHICAL SOCIETY 

 No. 104 South Fifth Street 



PHILADELPHIA. U. S. A, 



