378 ASTRONOMICAL OBSERVATORIES 



Instruments : 



(b) Meridian transit instrument : Makers, John Bliss & Sons, New 

 York; aperture, 1 inch; magnifying power, 10 diameters. 



(c) EqiiatoriaHnstrument : Maker, Henry G. Fitz; aperture of ob- 

 jective, G^ inches. Nine eye-pieces, from 50 to G30. 



FoRDHAM, New York. 

 Private Observatory. 



Longitude from Washington, 12"° 40.47* E. 



Latitude, 40° 52' 31.3" N. 



Authority for longitude and hititude: Coast Survey map of 18G3 and 

 American Ephemeris, 1879, assuming the longitude and lati- 

 tude of New York, given in the Ephemeris, to be that of the 

 city hall. 



Director : William Meikleham. 

 Observatory removed to Riverdale, New YorTc. 



Fort Dodge, Iowa. 



Private Observatory. 



Longitude from Washington, 1'' 8™ 5« W. 

 Latitude, 42o 30' N. 



Authority for longitude and latitude: F. Hess. 

 Director: F. Hess. 

 Instruments : 



(b) Meridian transit instrument: Makers, J. Brown & Son, New 

 York; aperture, 1 inch; magnifying power, lOi diameters, with hori- 

 zontal and vertical circle, each reading to 1. 



(c) Equatorial instrument: Aperture of objective, 2§ inches; for ob- 

 servations of the sun, aperture employed, 2§ inches; magnifying power 

 ordinarily employed, 50 diameters. 



{(j) Cloclc: Mean time; maker, G. M. Wheeler, Elgin, 111. 



(t) Miscellaneous: One Troughton sextant and artificial horizon. 



Georgetown, District of Columbia. 



Observatory of Gcorgetoivn College. 



Longitude from Washington, G.2* W. 

 Latitude, 38° 54' 2G.07" N. 

 Directors: James Curley, S. J. 

 John G. Hagen, S. J. 



The observatory was ready for use on January 1, 1846, and was built 

 by means of a donation of the Eev. Meredith Jenkins, of Baltimore. 



