414 astlionomical observatories. 



Instruments : 



{a) Meridian circle, by Eansome & Simms for the engineering part ; 

 Troughton & SIMMS for micrometric and optical part; a sister instru- 

 ment to the Greenwich circle ; diameter of circles, G6 inches, divided 

 to 5'; read by G microscopes to O'.Ol estimating easily to O'.Olll as at 

 Greenwich. Aperture of objective, 8 inches; magnifying power always 

 employed, 200 diameters. 



(c) Eq^iatorial insiruments : Makers, object-glass bj' Merz, mounting 

 (German form) by Troughton & Simms; aperture of objective, 6.9 

 inches; magnifying power of eye-pieces, 40 to 400. [c') Small equato- 

 rial, 3-6-inch aperture (Dollard), 46 inches focal length, mounting on 

 long polar axis (English form), maker unknown; without clock-work, 

 at i^resent dismounted. 



{d) Spectroscope : Spectroscope by Troughton & Simms. 



(/) Chronofjraph, one by Bond, not at present in use. 



(g) Clocks: One mean time; maker, Molyneux: one sidereal, maker, 

 Barraud. 



(h) Chronometers : Mean time and sidereal. A supply of these instru- 

 ments kept for use of Her Majesty's ships ; consequently frequently 

 changed. 



(i) Miscellaneous : A heliometer of 5 feet focal length, 4 inches 

 (French ) aperture. Tube and cradle by Repsold, mounting by Grubb. 

 (This instrument is the private property of Mr. Gill.) 



Carlsburg, Hungary. 



Sternwarte. 



Longitude from Greenwich, T' 34'" 17^ E. 



Latitude, 46° 4' 17" N. 



Auchority for longitude and latitude: Connaissance des Temps, 1884, 



p. xxix. 

 Director : Domherr Franz Bares. 



Catania, Italy. 



Observatory on Mount Etna. 



Longitude from Greenwich, . 



Latitude, . 



Director: . 



Chapultepec, Mexico. (See Tacubaya.) 



Observatorio Astrononiico Nacional. 



Longitude from Greenwich, 6^' 36"' 38.24" W. 

 Latitude. 19° 25' 17.5" N. 



Projected in 1876; established in 1878; transferred to Tacubaya oh 

 ^.Tarch 8, 1883. 



