ASTRONOMICAL OBSERVATORIES. 



237 



with the observatory in 1848, and was immediately as- 

 signed to the equatorial, of which he has had sole charge 

 to the present time. He has made numerous observations 

 of comets, and of the small planets, and has had the good 

 fortune to discover a new asteroid, Euphrosyne, being 

 the only instance in which a primary planet has been 

 first discovered bv an American observer. 



GEORGETOWN OBSERVATORY. 



The erection of the Georgetown observatory was nearly 

 cotemporaneous with that of the National observatory. 

 In December, 1841, Rev. -T. M. Jenkins offered a dona- 

 tion to the college at Georgetown for. the purpose of 

 building and furnishing an observatory ; and Rev; C. H. 

 Stonestreet offered to supply an equatorial. In 1842 the 

 donations were accepted. In the summer of 1843 the 



