5G6 REPORTS OF AMERICAN OBSERVATORIES. 



Xame of observatory : Washington University Observatory. 

 Longitude from Washington, W. h 52 m 37 8 .02. 

 Latitude, K 38° 38' 3".04. 

 Authority for latitude and longitude : A pier about 150 feet away from 

 the observatory pier was located by Harkness and Eimbeok (1870). A 

 survey was made by ine from that pier to the new one. 



I. Personnel: 

 Director, J. K. Rees. 

 Assistant, E. A. Engler. 



II. Instruments: 



(b) Meridian transit instruments : Maker, Wurdemann ; aperture, 2.65 

 inches; magnifying power, 90 diameters, with micrometer attachment. 



(c) Equatorial instruments: Maker, H. Fitz, of New York City; ap- 

 erture of objective, 6| inches; magnifying powers of eyepieces, 76, 125, 

 190, 305, and 456 diameters. 



(&) Finder: 2^ inches aperture; magnifying power, 23 diameters. 



(d) Spectroscopes : One single prism Browning spectroscope. 



(e) Photometers and other subsidiary apparatus: Filar position, microm- 

 eter attached; clock work for moving telescope. 



(g) Clocks: Meantime; common tower clock. 



(A) Chronometers : Mean time; makers, (1) Dent No. 2749, (2) Blackie 

 No. 789. 



(i) Miscellaneous : Sextant, by Blunt, of New York City. 



III. Observations during the past year : 



(b) Observations of time stars. We furnish the time to 30 different 

 points in the city. These points arc connected by wire with our tower 

 clock. Senior class study appearance of planets, Sun, and Moon. Some 

 double stars measured. 



(*) Used in class instruction and when the transit cannot be employed. 



IV. Work proposed tor the coming year (1879-80): 



(1) To continue the time service and to extend it. 



(2) Measurements of double stars. 



VI. Additional information : 

 The only papers which we have published are: 



(1) Outlines of work done by the Fort Worth solar eclipse party. 

 (Proceedings A. A. A. S., 1879.) 



(2) Report of personal work at Fort Worth in vol. "Report of the ob- 

 servations of the total solar eclipse July 29, 1878, made at Fort Worth, 

 Texas, 1879." 



Location of obsqppatory : (City) San Francisco; (County) San Francisco; 

 state) California. 



Xame of observatory: Lick Astronomical Department of the 

 University of California. 



