398 ASTRONOMICAL OBSERVATORIES. 



broken ; it has been replaced by Alvan Clark & Sons. Its ])erform- 

 ance, whicli was always good, appears to be rather better than before 

 the accident. 



Saint Louis, IMissouri. 



Ohficrvatory of Washington University. 



Longitude from Washington, 52"' 37.0::^ W. 



Latitude, 38o 38' 3.G4" W. 



Authority for longitude and latitude : A |)ier about 150 feet away frbtn 

 the observatory pier was located by Eirnbeck in 1870. The 

 longitude has again been determined by a Coast Survey party. 



Directors: J. K. Rees, 1877. 



H. S. Pritchett, 1881. 



Instruments : 



(h) Meridian transit instruynent : Maker, WtJRDEMANN ; aperture, 2.05 

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



(c) Equatorial instrument : Maker, H. Eitz, of New York City; aper- 

 ture of objective, Q^ inches; magnifying powers of eye-pieces, 76, 125, 

 190, 305, and 450 diameters. (</) Finder: 2Yi}o inches aperture; mag- 

 nifying power, 23 diameters. 



(f/) Spectroscope: One single prism Browning spectroscope. 



(e) Photometer and other subsidiary apparatus : Filar position, microme- 

 ter attached ; clock-work for moving telescope. 



{(j) Cloclc: Meantime; common tower clock. 



(/i) Chronometer : Mean time; makers, (1) Dent No. 2749, (2) Blackie 

 No. 789. 



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



South Bethlehem, Pennsylvania. 



Sayre Observatory of Lehir/h University. 



Longitude from Washington, 6™ 40,19*^ E. 

 Latitude, 40° 36' 23.89" N. 

 Director: C. L. Doolittle. 



Founded in 1877, in connection with Lehigh University. 

 Instruments : 



(c) Equatorial instrument : Makers, CLARK & Sons; ai)ertnre of ob- 

 jective, 6 inclies; magnifying powers of eye-pieces,' 12 to 225. 



(g) Clock : Sideral ; makers. Bond & Son. 



{i) Miscellaneous: A portable transit instrument by Stackpole, a 

 zenith telescope by BLunt, and a prismatic sextant by PiSTOR & Mar- 

 tin. 



