ASTR0N0M7.CAL OBSERVATORIES. 443 



Constructed from 1787 to 171)4, upon the great tower of the castle of 

 Pleisseubiirg. A new observatory, situated at the extreme end of oue 

 of the suburbs, took the place of the old one in 1861. 



II. Private Sfernwarfc des Ilerrn Budoljyh Eagelmann. 



Longitude from Greenwicli, 49'" 38« E. 



Latitude, 51° 20' 7" K 



Authority for longitude and latitude: A. Lancaster, Liste G6n6rale 



des Observatoires et Astronomes, 1887. 

 Director: Dr. liUDOLF Engelmann. 



Lemberg, Austria. 

 Stcrnwarte der Technischcn Hochschule. 



Longitude from Greenwich, . 



Latitude, . 



Director: — . 



The observatory is used for geodetic purposes. 



Leyden, IIolland. 



ByA-.s' Ohservatorium. 



Longitude from Greenwich, 17'" 50.35* E. 

 Latitude, 52° 9' 20.2" N. 

 Directors : J. Golius, 1G32. 



S. 0. Kechel, 1GG7. 



C. Melder, 1GG8. 



B. DE VOLDER, 1G82. 



L. ZUMBACn DE KOESFELD, 1705. 



W. J. S'Gravesande, 1717. 



J. LtTLOFS, 1742. 



D. Van de Wunrresse, 1708. 



r. NiEUWLAND, 1794. 



J. A. Fas, 1797. 



J. F. Van Beek-Calkoen, 1799. 



C. E. Kama, 1812. 

 F. Kaiser, 1837. 



H. G. Van de Sande Bakhuijzen, 1872. 



Founded in 1032. The most ancient of existing observatories in 

 Europe. Originally built as a great tower for the town clock; enlarged 

 in 1089 ; repaired in 1817. In 1858 a new observatory was commenced, 

 and completed in 1800. 



