ASTRONOMICAL OBSERVATORIES. 393 



Newington, (Jonnecticut. 

 Private Observatorij. 



Longitiulc from Wasbington, 21'" 2.^" E. 

 Latitude, 41° W N. 



Authority for longitude and latitude: difference from Hartford state- 

 house, Coast Survey. 

 Director : D. W. Eugecomb. 



This observatory consists of a small frame building, with dome 12 feet 

 G inches diameter, ui)on the grounds of the owner, covering an cquato 

 rial telescope. 



Instruments : 



(c) Equatorial instrument: Makers, A. Clark & Sons; aperture of 

 objective, 0.4 inches; nuxgnifyiug powers of eye-pieces, various uj) to 

 2,000. 



{(j) Clock: ]Mean time; Swiss regulator; seconds. 



New York, New York. 

 I. Columbia College Observatory. 



Longitude from Washington, 12™ 18.4* E. 



Latitude, 40^ 45' 23.1" N. 



Authority for longitude and latitude : these constants were calculated 

 from data furnished by city surveyors and based on the posi- 

 tion of Mr. Kutherfurd's observator3\ The longitude and lati- 

 tude of the latter were determined by the Coast Survey. 



Director : J. K. Kees. 

 The old observatory has been torn down and a new observatory has 



been erected within a few feet of the old site. 



II. Private Observatory. 



Longitude from Washington, 12"' 15.47* E. 

 Latitude, 40° 43' 48.53" N. 



Authority for longitude and latitude: U. S. Coast Survey party (1859), 

 with zenith telescope upon 24 pairs of stars, and telegraphic 

 communication with Washington and Cambridge. 

 Director : L. M. Kutuerfurd. 



Instruments : 



{b) Meridian transit instrur.ient : Maker, Stackpole; aperture 3 

 inches. Only used for time. 



(c) Equatorial instrumemt: Makers, Messrs. Rutherfurd & Fitz ; 

 ai)erture of objective, 13 inches. The telescope has been employed 

 mostly in photographing the sun, moon, and groups of stars. 



(/) Chronograiih : MoRSE. 



{(j) Clock : Sidereal ; maker, Dent. 



