400 ASTRONOMICAL OBSERVATORIES. 



Spiceland, Indiana. 



Private Ohservatory. 



Lougitiule from Wiisbingtou, 33™ 30«. W. (approximately). 

 Latitude, 39° 50' N. (ai)proximatel.y). 

 Director : William Dawson. 



Tarrytown, Xew York. 



Private Ohservatory. 



Longitude from Wasliiugton, 12"' 47.10^ E. 



Latitude, 4 1^04' 21" N. 



•Authority for lougitude and latitude: United States Coast Survey. 



Director : Charles H. Kockwell. 



Instruments : 

 [(')' Fjquatotial intrument : makers, — glass. Dr. C. S. Hastings; — 

 mounting, JonN Byrne; aperture of objective, 6^^ inches; magnifying 

 powers of eye-pieces, 60, 112, 170, 243, 327, 400, 75L 



Troy, Xev\^ York. 



Williams Proudjit Observatory. 



Longitude from Washington, 13™ 27.5« E. 

 Latitude, 42o 43'. 52". SO X. 



Authority for longitude and latitude: Longitude by electro magnetic 

 signals from United States Naval Observatory. Latitude de- 

 termined by observations with the zenith telescope. 

 Director : Prof. Dascom Greene. 

 Instruments : 



(b) Meridian transit instruments : Makers, — one by E. KuBEL, Wash- 

 ington; aperture, 2.5 inches; niagnif\ing power, GO diameters. 



(&') Makers, Phelps & Gurlev, Troy; aperture, 2 inches; magni- 

 fying powers, 30 diameters. 



{c) Equatorial instruments: Maker, IIenry Fitz, New York ; aper- 

 ture of objective, 3.5 inches ; magnifying powers ot eye-pieces, 45 to 200 

 diameters. 



{g) Gloclcs: Mean time; makers, Stokell, New York; and Howard, 

 Boston. 



{h) Chronometers : Sidereal • maker, J. Fletcher, London. . 



(t) Miscellaneous : Sextant; Trouohton «S; Simms, London. 



Vevay, Indiana. 

 Private Observatory. 



Longitu<le from Washington, . 



Latitude, . 



Director: Chas. G. Boerner, 



