REPORTS or ASTRONOMICAL OBSERVATORIES. 711 



Moscow, RusHia. 

 Observatory of the Imperial University. 



Longitude from Green^rich, 2^' 30"^ 1G«.9 E. 



Latitude, 550 45/ 10".8 X. 



Authority for latitude and longitude: Nautical Almanac. 



Directors : Krassit.USKOW, 1750 ; 



0. F. GoldbaCH, 1804; 



Fischer, ISOl ; 



D. Perevotschikoff, 1824; 



A. Draschnosoff, IS—; 



K. S. Schweizer, 1850 ; 



Prof. Dr. Theodore Beedichin, 187G. 

 Assistants: W. Ceraski; 



A. Belopolsky; 



A. SOCALOFF. 



Founded in 1753 as an annex to the University. A new building was 

 put up in 1804 in Bielogorod. 



Instruments: v <-.^ 



(a) Meridian circle: one; maker, Repsold, in Hamburg ; diameter 

 ofcircle, 36 inches; divided to 2'; read by 4 microscopes to 0.1 ; aper- 

 ture of objective, 5.3 inches; magnifying power rvdinardy enployed, 



""I^ZZ'ial instru^nent: maker, Merz, in MuniC; a,^tn. of j.> 

 jective, 10.7 inches ; magnifying power of eye-pieces, 100 to 1-00. (c ) 

 Photoheliograph of Dalmayer, in London. 



"^n^eJl spectroscope of Merz, in Munich; dnect vision ..th 

 10 prisms and micrometer. 



(e) One photometer of Zollner. 



( f\ rhronoaranh : of Siemens and Halske. 



(/) i^Monoijiapii. ^ ,v«.,c TT-17-nF Htzschneider: sidereal, 



{(J) Clocl-s : mean time, two : maheis, Tiede, U Tzsouixi' 

 two; makes, KESSELS, TOLSTOI. 



[h) Chronometers: mean time, two, make., yn.^ 



. makers, Dent, Kessels. instruments, theodolites, ui.i- 



(i) Bliscelkmeous : transportable tiansit instiumti , 



versal instruments, &c. ^^ Decend.er, 



Observations durino iHe pasi ^i^ak ^ 



1880): 



(d) Sun and comets. 



(e) Photometrical observations of «tars. -gniversit>-. 

 i The practical instructiou ot the student. ^^ ^^e U 



WORK proposed -- -;;,X^eS^:i!:rS^tlie gravity at 

 The same as in the year IbbO and ^^"^'^'^ ^ , xJepsold. 

 Moscow with the reversion pendulum constnn.tcd b> 



