444 ASTEONOMICAL OBSERVATORIES. 



Leyton, England. 



Barclay Observatory. {Private.) 



Longitude, 0.87« W. 

 LatitiKle, 51° 34' 34" N". 



Authority for longitude and latitude : Ordnance survey. 

 Froprictor: J. GUKNEY BARCLAY. 

 Observer: Charles George Talmage, F. R. A. S. 

 Instruments : 



(a) Meridian circles: Makers, HouGnTON and Simms; diameter of 

 circles, 30 inches, divided to 5'; read by 4 microscopes toO.]/'; aper- 

 ture of objective, 4 inches ; for observations of the sun aperture em- 

 ployed, 4 inches ; magnifying power ordinarily employed, 80 diameters. 



(c) Equatorial instrument : Maker, Cooke, York; aperture of object- 

 ive, 10 inches ; magnifying power of eye-pieces, 70 to 1200. 



(g) Clock : Sidereal ; maker, Simmonds, London. 



Liege, Belgiu3i. 



Institut Astronomique de V Universite. 



Longitude from Greenwich, 22"' 12*^ E. 



Latitude, 50^ 37' O.G" N. 



Authority for longitude and latitude : A. LANCASTER, Liste Gen^rale 



des Observatoires et Astronomes, 1887. 

 Director: F. Folie. 



Lisbon, Portugal. 



I. Real Observatorio Astronomico de Lisbon {Ajuda). 



Longitude from Greenvnch, 30'" 44.68" W. 

 Latitude, 38° 42' 31.3" N. 

 Director : F. A. Oom, 1878. 



The Koyal Observatory is situated in the Ajuda Park (Tapada da 

 Ajuda), about 1,300 meters west of Lisbon. It had its origin in 1857, 

 when the late King, D. Pedro V, made a first donation of 30,000 mil- 

 reis for the establishment of an astronomical observatory. 



The building was commenced in 1801. It consists of a central two- 

 story octagonal structure, surmounted by a revolving tower 11 meters 

 in diameter, containing the great equatorial, with four one-story wings, 

 corresponding to the cardinal points of the compass. In the southern 

 wing is the principal entrance, with a peristyle and vestibule which com- 

 municates with the lower and upper stories of the central structure. 



The whole length of the building is 07.1 meters E — W. Its breadth 

 is 42 meters. 



A three-story dwelling-house for the persDunel is built 30.5 meters 

 east of the observ^atory. A part of its ground floor is occupied by a 

 mechanical workshop for repairs and modifications in the instruments 



