f)74 REPORTS OF ASTRONOMICAL OBSERVATORIES. 



Berlin, Prussia. 



Eonigliche Sternwartc. 



Longitude from Greeuwicli, 53™ 34^.91 E. 

 Latitude, 52° 30' 1G".7 K 

 Directors: G. Kirch, 170G; 



J. H. Hoffmann, 1710; 

 C.Kirch, 1717; 

 J. W.Wagner, 1740; 

 H. N. Grischow, 1745 ; 

 J. KiES, 1754; 

 r. U. S. Aepinus,1755; 

 j. j. huber, 175g; 

 Jean Bernoulli, 1767; 

 J. E. Bode, 1786; 

 J. F. Encke, 1825 ; 

 W. J. Foerster, 1865. 

 Librarian : Dr. V. Knorre. 



Founded at the request of Leibnitz in 1705; completed in 1711. 

 Originally situated in the suburb Dorotheenstadt, in the northern part of 

 the city. A great square tower of live stories, 46 feet (14 meters) in 

 length and 88i feet (27 meters) in height. This Observatory was re- 

 modelled in 1787 and again in 1800. In 1833 a new Observatory was 

 built at the southern extremity of the Oharlotteu Strasse. The "Astro- 

 nomische Jahrbuch" has been published annually since 1776. It was 

 here that Galle discovered Neptune in 1846. 



Bern, Switzerland. 



Sternwarte. 



Longitude from Greenwich, 29"^ 46^ E. 

 Latitude, 46° 57' 8".7 N. 

 Directors : F. Frechsel, 1821 ; 



E. Wolf, 1847; 



J. Koch, 1856; 



H. Wild, 1859; 



A. J. T. FORSTER, 1871. 

 Constructed upon a bastion in 1822. In plan a regular octagon, the 

 circle described about which has a diameter of 65^ feet (20 meters). 



Birr Castle, Ireland. 



Far sons-town Ohserrafo rij. 



Longitude from Greenwich, 31"^ 40«.9 W. 

 Latitude, 53° 5' 47" N. 

 Director: The Earl of Kosse. 



