A8TKONOMICAL OBSEKVATOKIES. 465 



PRAauE, Austria. 



I. A'. K. UniversiiiiU Stermvarte. 



Long'itiule from Green wicli, ~u"' U.V^ E. 



Latitude, 50° 5' 18.8" N. 



Autlioiity foi' latitude and loni>itnde, Al. David and J. BdllM. 



Directors: J. Stepling, 1751. 



A. Strandt, 1781. 



A. David, 1799. 



A. BiTTNER, 183G. 



K. Kreil, 1845. 



C. Jelinek, 1851. 



J. G, BoiiiM, 1855. 



Dr. C. Horkstein, 18G8. 



Prof. Ladislans Weinek, — — . 

 Tycuio de liRAHE liad .some astronomical instruments temporarily 

 mounted at Prague (l(!()0-l(j()l). Tlie observatory, properly so called, 

 was not erected nntU 1751, in the Altstadt <iuarter, at the Collegium 

 Clcmentiuum, under the direction of the Jesuits. 



Instruments : 



{a) Meridian circle: One; maker, CuR. Starke (mechanical workshop 

 of the 1. K. Polytechnic Institute in Vienna); diameter of circle, 30 

 inches; divided to 3'; read by 1 nonius to 2"; aperture of objective, 4 

 inches. 



{b) Meridian transit instruments: Maker, OiiR. Starke; ai)erture, 4 

 inches; {I)') maker, Soiirotter ; aperature of objective, 3 inches. 



(c) IJquatorial instrnments : Makers, C. A. Steinheil's Sons, in 

 Munich; aperture of objective, inches; magnifying powers of eye- 

 pieces, 50, 84, 252, 420, 072. ((•') Makers, Utzsciineider «& Fraun- 

 noEER, iMunich ; aperture of objective, 3 inches. 



(d) Spectroscopes : One; G. & S. i\lERZ, Munich; one small star spec- 

 troscope; makers, G. »& S. Merz, JMunich. 



(/) Chronograph: One; Dr. M. II IPPS, Neuchatel, maker. 



[(1) Cloc'ks : Meantime; makers, Lepaute, Paris; sidereal; makers, 

 J. BozEK, Prague. 



(/t) Chronometer: Mean time; maker, Barraud. 



{i) Miscellaneous: One sextant ; maker, TYCno Braiie; one octant; 

 maker, Tycho Braiie ; one large (Llohen Kreis), by Trougiiton, iu 

 London. 



II. Stcrncicarte des Herrn A. SafariJc. 



Longitude from Greenwich, 57'" 47'' E. 



Latitude, 50° 4' 25" N.. 



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



des Observatoires et Astronomes, 1887. 

 Director : A. Safarik. 



U. Miss. 170 30 



