634 REPORTS OF ASTRONOMICAL OBSERVATORLES. 



Authority for longitude: Longitude telegraphically determined from 

 Cambridge, Mass. Latitude by stars in prime vertical. 



Director: C. W. F. Peters. 



Founded in 1852, by subscription; completed in 1855; central edifice 

 with wings east and west. Forty-two planetoids have been discov- 

 ered here. 



Instruments : 



(b) Meridian transit instrument: maker, W. Wurdemann, Washing- 

 ton, D. C; aperture, 2i inches; magnifying power, — diameters. 



(c) Equatorial instrument: one made by Spencer & Eaton j aper- 

 ture of objective, 13J inches; magnifying powers of eye-pieces, 80 to 

 1600. {&) One by Steinheil Sons; aperture, 4 inches, {c") One by 

 Hugo Schroder ; aperture, 5 inches. 



{d) Spectroscope: one direct vision 5 prisms; attached to the 4-inch 

 Steinheil refractor. 



(/) Chronograph: by Wm. Bond & Son, Boston, Mass. 



{(j) ClocJcs: mean time; makers, Wm. Bond & Son. 



{h) Chronometer: sidereal; makers, Wm. Bond & Son 

 Observations during the past year: 



(h) {b') Determination of time. 



(c) Observations of minor planets, comets, &c.; positions of fixed 

 stars determined in zones; charting. 



{&) {c") Practicing by students of astronomy. 



Work proposed for the coming year (1881): 



Continuation of work of preceding years. 



Columbia, Boone Coimty, Missouri. 



The Laivs Observatory, University of the State of Missouri. 



Longitude from Washington, 1^ 1™ 6^ W. 



Latitude, 38° 5G' N. 



Authority for latitude a nd longitude: Joseph Ficklin and Thomas 



J. LOWRY. 



Director : Joseph Ficklin. 

 Assistants : Thomas J. Lowry, 

 Wm. a. Cauthorn. 



Instruments : 



(a) Meridian circle : one; maker, Brunner, of Paris; diameter of 

 circle, lOi inches ; divided to 5' ; read by two microscopes to 3" ; aperture 

 of objective, 2-^g inches; for observations of the sun, aperture employed, 

 2-iy inches; magnifying power ordinarily employed, 50 diameters. 



(c) Equatorial instrtiments : one made by Henry Fitz, of New York; 

 aperture of objective, 4-/g- inches ; magnifying powers of eye-i)ieces, 30 to 



