REPORTS OF A.STrtONOMICAL Ol'.SERVATORIES. G73 



Atuens, Greece. 

 Observatory. 



Longitude from Grceinvicli, I'' 34'" 55^7 E. 



Latitude, 37° 58' 20" N. 



Commenced in 1845. Erected through the liberality of IJaron VON 

 SiNA, in Vienna. It has a dome containing- a refractor of G.7 inches 

 (0°M7) aperture. 



Directors : G. C. BoNRis, 1844 ; 



J. F. J. Schmidt, 1858. 



Basle, iSicitzcrland. 



Ph ysika I isch es Inst it u t. 



Longitude from Greenwich, ? 



Latitude, ? 



Director : Ed. IlAciENBAcn. 



Instruments: 



{(i) The Meridian circle, constructed by the Soci6te Genevoise, with 2i- 

 iuch objective, by C. A. Steinheil. 



(c) The Equatorial, made by the "Societe Genevoise pour la construc- 

 tion d'instruments de i)bysique" mounted on an isolated pillar, nnder a 

 movable dome of 16A- feet (5 meters) diameter. The instrument is pro- 

 vided with a centrifugal regulator, constructed according to Prof. M. 

 Tiiuiiy's directions, with position micrometer, spectroscope, and camera 

 obscura. 



(f7) Spectroscope. 



{()) The astronomical clock vi-as constructed by Theodor Knoblich, 

 in Hamburg. 



The mean time is given by means of an electric pendulum, by ^I. 

 Hipp, in Neuenburg. 



Both clocks connect with a number of dials in various rooms, and also 

 with the chronograph. 



Bergen, Norway. 



Naval Observatory. 



Longitude from Greenwich, ? 



Latitude, "? 



Founded in 1788. So far has only been used to furnish the standard 

 time. 



Directors: 0. F. G. BoHR, 1818; 



J. J. Astrand, 1833. (?) 

 S. Mis. 31 43 



