ASTRONOMICAL OBSERVATORIES. 435 



(g) Clocks : One mean time ; Makers, Shepherd & Son: one sidereal; 

 makers, E. Dent & Co., Hardy, Arnold, Graham. 



{h) Chronometers : Mean time; makers, various. Tliere are always ou 

 hand a large number rated for the navy ; some of these are used when 

 necessarj- for the Observatory. Sidereal ; none of accurate character. 



(0 Miscellaneous : Photoheliograph ; maker, Dallmeyer ; aperture 

 of objective, 4 inches. Several portable telescopes ; aperture, 4 inches 

 to 2^- inches. Five other Ginch equatorials (packed in cases) returned 

 from Transit of Venus Expedition, 1874% Five 3-inch portable transits 

 by SIMMS; one 14-inch alt-azimuth by Simms; three 14-inch altitude 

 instruments by Simms ; four photoheliographs by Dallmeyer (all re- 

 turned from the Transit of Venus Expeditions, 1874). 



Grignon (Cote d'Or), France. 

 Ohservatoire du iwlcure de St. Jean. 



Longitude from Greenwich, 17™ 38^ E. , 



Latitude, 47° 33' 42" N. 



Authority for longitude and latitude : A. Lancaster, Liste G6nerale 



des Observatoires et Astronomes, 1887. 

 Director : F. Mayeul Lamey. 



GuiLDowN (Surrey) England. 

 Frivate Ohservatory. 



Longitude from Greenwich, 1^" 55.1* W. 



Latitude, 51° 13' 39.2" N. 



Authority for longitude and latitude : A. LANCASTER, Liste Generale 



des Observatoires et Astronomes, 1887. 

 Proprietor : J. Eand Oarron. 



Habana, Cuba. 

 Ohscrvatorio del M. Colcgio dc Bclen. 



Longitude from Greenwich, 5'' 29'" 30* W. 

 Latitude, 23° 9' 24" N. 



Authority for longitude and latitude: Connaissance des Temps, 1884, p. 

 Ixiii. 



Director : . 



Halifax, England. 



Bermerside Observatory, Skircoat. 



Longitude from Greenwich, 7"" 28^ W. 



Latitude, 53° 42' 9" :N^. ^ 



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



des Observatoires et Astronomes, 1887. 

 Director: E. Crossley. 

 Observer : J. Gledhill, 



