ASTRONOMICAL OBSERVATORIES. 413 



Cadiz, Spain. 



Naval Observatori/. (See San Fernando.) 



Cairo, Egypt. 



Ohser vato ire Khedivial. 



Longitude from Greenuicb/J^' 5'" S.91« E. 



Latitude, 30° 4' 38.2" N. 



Autliority for longitude and latitude: Liste GeueraledesObservatoires 



- et Astronomes, 1887. 

 Director : Mahmgiid. 

 Founded about 1850. 



Cambridge, England. 



Ca mhridge Observatory. 



Longitude from Grceuwicli, 22.75^ E. 

 Latitude, 52° VI' 51".6 Is^. 

 Directors : W. Ludlam, 17G7. 



A. Shepherd, 17(>1). 



S. Vence, 1797. 



E. WOODHOUSE, 1820. 



G. B. Airy, 1827. 



J. Challis, 1836. 



J. C. Adams, 1860. 

 Commenced at Christ College ; removed to St. John's College in 1767. 

 In 1764 a special location was assigned to it above the entrance gate of 

 Trinity College. The senate of the university caused a better observa- 

 tory to be erected in 1820, which was completed in 1824. The struct- 

 ure consists of four halls, forming a cluster of buildings. 



Capetown, Africa. 



Royal Observatory, Gape of Good Hope. 



Longitude from Greenwich, T' 13'" o3^ E. ^ 



Latitude, 33° 56' 3.4" S. 



Authority for longitude, Henderson ; for latitude, E. J. Stone. 

 Directors : 



F. Fallows, 1820. 



T. Henderson, 1831. 



T. Maclear, 1834. 



E. J. Stone, 1870. 



David Gill, 1879. 

 Founded in 1820, Owned no instruments of importance until 1829. 

 It was not at this observatory tliat John Herschel made his observa- 

 tions, but some distance from here on a private estatecalled Feldhausen, 



