KEPORTS OF ASTRONOMICAL OBSERVATORIES. Go 7 



Elizabeth, Union County, Xctc Jersey. 

 Observatory. 



Longitude from Washington, 11'" 22».2 E. . 



Latitude, 40° 40' 19" X. 



Authority for Uititude and longitude: United States Coast Survey. 



Director : Charles W. Plyee. 

 Instruments : 



(&) Meridian transit instrument : makers, John Bliss & Sons, Xew 

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



(c) Equatorial instrument : maker, Henry G. Eitz ; aperture ol' ob- 

 jective, G^ inches. Xine eye-pieces, from 50 to 030. 



FoRDHAM, Keu- Yorl: 

 Private Observatory. 



Longitude from Washington, 12"" 40^47 E. 



Latitude, 40° 52' 3L".3 K 



Latitude and longitude deduced from Coast Survey map of 1SG3 and 

 American Ephemeris 1870, assuming the latitude and longitude of Xew 

 York, given in the Ephemeris, to be the latitude and longitude of tUe 

 City Hall. 



Director : William Meikleham. 



Instruments : 



(c) Equatorialinstrument: maker, John Byrne, of Xew York; aper- 

 ture of objective, 4j% inches; focal distance, 05 inches ; magnifying pow- 

 ers of eye-pieces, 20, 30, 45, GO, 80, 150, 250, 300, 350, and 450 • also an 

 amplifier which doubles each of these powers when used. Attached to 

 the telescope is a finder of 1^ inches aperture, magnifying 20 diameters. 

 Eight ascension circle divided to read to 4 seconds of time; declination 

 circle divided to read to 1' of arc. Both circles divided on silver and 

 read by microscropes attached thereto. Driving-clock. 



(d) Spectroscope : one. 



ig) Clock : mean time ; maker, Seth Thomas, Sons & Co. 



(/) Miscellaneous: Eilar micrometer; divided on silver to measure -jV' 

 of arc in distance, and G' in position, with suitable eye-pieces and illu- 

 minating apparatus. 



Eort Dodge, Webster County, Iowa. 



Longitude from Washington, P 8™.5 W. 



Latitude, 42° 30' X. 



Authority for latitude and longitude : F. Hess. 



