ASTRONOMICAL OBSEKVATORIKS. 385 



{k) Chronometer : Sidereal; makers, T. S. & J- D. Negus, New York 

 (good). 



(i) Miscellaneous : Sextaut, by Gambey ; comet-seeker, 6-iucli object 

 glass. 



LiN\YOOD, Ohio. 



Private Observatory. 



Longitude from Wasliiiigton, . 



Latitude, . 



Direcior : 11. U. McClure, 



Situated about one mile E. by S. from Cincinnati observatory. 

 Instruments : 

 . (c) One equatorial silvered glass Newtonian reflector. Diameter of 

 tbe concave rellecting objective, 5i incues ; magnifying })Owers of the 

 eye-pi( ces, GO, 100, and 200 diameters. TLe mirror, tube, and mounting 

 all constructed by ]\Jr. McClure himself. 



Madison, Wisconsin. 

 The WasJibiirn Observatory. 



Longitude from Washington, 49"' 25.8" W. 



Latitude, 43o 4' 3G.7" N. 



Authority for longitude and latitude: a pier of the United States 

 Coast and Geodetic Survey, about 500 feet from the observa- 

 tory, has been connected by a triangulation with the transit 

 room, and the position given refers to the center of the transit 

 circle. 



Directors: Edward S. TIolden, ISSO. 

 George C. Comstock, LS85. 



Instruments : 



(tt) A meridian circle: Maker, Eepsold & Brother, Hamburg; 

 diameter of circles, about 30 inclies ; divided to 2' ; read by 4 microscopes 

 to 1". Aperture of objective, 4.8 inches ; for observations of the sun, 

 aperture employed, — inches; magnifying ppwer ordinarily employed, 

 — diameters. 



{b) Meridian transit instrument: Makers, Fauth & Co., Washington ; 

 aperture, 3 inches; magnifying power, 00 and 120 diameters; two 12- 

 inch circles divided on the edges : one circle to 10", the other for set- 

 ting only. The fine circle has a level for latitude. 



{c) Equatorial instrument : Makers, Alvan Clark & Sons ; aper- 

 ture of objective, 15.5 inches ; magnifying powers of eye-pieces, 145 

 to 1200. 



(/) Chronograph : A chronograph by Fautii & Co., with a conical 

 pendulum. 



H. Mis. 170—35 



