120 



Very, Frank W. Stellar revolutions 

 within tbe Galaxv. Amer. J. Sei., New 

 Haven, Conn., (Ser. 4), 16, 1903, (127- 

 138). [1800 7000]. 6511 



Tlie absorptive power of 



the solar atmosphere. Allep:henv, Pa., 

 Sci. Paprs. OLs., (N. Ser.), No.9,ll9021, 

 (19, with pL). 23 cm. [4070 4200J.' 



0ol2 

 Viaro, B[ortolo]. Cometa 1903 IV 

 (1903 c). Equatoriale di Frannhofer in 

 Arcetri. Obiettivo 108 min. ^^licrom. 

 a lainine 63". 11. In^r. 66. Astr. 

 Naclir., Kiel, 164, 1904, (137-1401 

 [6600]. 6513 



Posizioni osservate al 



piccolo meridiano delle stelle BD. + 5." 

 4556, 4557, 4563. Astr. Xachr., Kiel, 



164. 1904, (393-394). [7600]. 6514 



■ Osservazioni di (7) Iris al 



piccolo meridiano di Arcetri. Astr. 

 Nachr., Kiel, 165, 1904. (317-318). 

 [5910]. 6515 



Osservazioni di (4) Vesta 



al piccolo meridiano di Arcetri nell' 

 opposizione 1903. Astr. Xachr., Kiel, 



165, 1904, (331-332). [5910]. 6516 



ViUatte v. Rambaud, G. 



Vincent, .T. Remarques snr les 

 eft'ondrements hiiiaires. Bruxelles, Bui. 

 Soc. astron., 1901, (277-286). [48301. 



6517 



La carte lunaire de M. Fl. 



Van Langren qui existe a Bruxelles. 

 Bruxelles, Bui. Soc. astron., 1903, (184- 

 193). [4890]. 6518 



Violle, .Tides. Bericht iiber die 

 Strahlung. [In : Bericht dcs internat. 

 nieteorolog. Komitees, Versammls zu 

 St. Petersburg 1899]. Berlin. 1903^. (38- 

 60). [4200]. 6519 



Vogel, H[ermann] C[arl]. Unter- 

 suchungen liber das spectroskopische 

 Doppelsternsvstera fi Aurigae. Berlin, 

 SitzBer. Ak." Wiss., 1904^, (497-517). 

 [7520 8600 8620 8040 1820]. 6520 



The spectroscopic biuaiy 



o Persei. [Translated from advance 

 proofs, furnished by the author, of a 

 paper to appear in Berlin, SitzBer. 

 Ak. Wiss.] Astroph. J., Chicago, 111., 

 17, 1903, (212-219). [7520 8600]. 



6.i21 



— 6 Aurigae a spectroscopic 



hiuaiv. [Translated from advance 

 ]iroofs, furnished by the author, of a 



paper conmiunicated to the Kgl. 

 Akademie der Wissenschaften zu 

 Berlin.] Astroph. J., Chicago, 111., 17, 

 1903, (243-244). [7520 8600]. 652^ 



[Vogel, R. F.] $ore.Tii,, P. rpa(j)n- 

 qecKoe ptraeHie ntKOTopuxi. Boapo- 

 coBT>, KacaromHsca aB.ieHifl cvToqHaro 

 ;iBH;KeHiir. [Solution graphique de 

 quelques questions concernant les 

 l^henomenes du mouvemeut diurne.j 

 Russ. astr. Kalendari, N.-Novgorod,. 

 1904 [1903], (2.3-28). [0150]. 6525 



Wadsworth, F[rank] L[awtonl 0[lcott]. 

 Annual report of the director [for 1901]. 

 AUeghenv, Pa., Sci. Paprs. Obs., (N. 

 Ser.), No! 5. [19021, (18). 23 cm. [0020> 

 2010]. ^ 652:t 



The theory of the ocular 



spectroscope. [With bibliography.] 

 Alleshenv, Pa., Sci. Paprs. Obs., (X. 

 Ser.): Xo. 6, [1902], (10). 23 cm. 

 [2200]. ' 6525 



Description of a new type 



of focal plane spectroscope and its 

 application to astronomical spectroscopy. 

 [With bibliographv.] AUeghenv, Pa.. 

 Sci. Paprs. Obs., (N. Ser.). No. 7. [1902]. 

 (15, with pi.). 23 cm. [2200]. 6526 



Some notes on the correc- 



tion and testing of parabolic mirrors. 

 [Reprint from Pop. Astr., Xorthfield. 

 Minn.. 10, 1902, (337-348)] ; AUeghenv. 

 Pa., Sci. Paprs. Obs., (iV. Ser.), No. 8, 

 [1902], (12, with text fig.). 23.3 cm. 

 [2040]. C527 



On the construction of 



telescopes whose relative or absolute 

 focal length shall be invariable at all 

 temperatures. [With bibliographv .T 

 [Reprint, v. E. 3.1 Allechenv. Pa., Sci' 

 Paprs. Obs., (N.^ Ser.), Xo. '16, [1903]. 

 (573-591). Separate. 23 cm. [2030]. 



652cS 



On the optical conditions 



required to secure maximum accuracy 

 of measurement in the use of the tele- 

 scope and spectroscope. Astroph. J.. 

 Chicago, 111., 17, 1903, (1-19, 100-132;. 

 [3.300]. 652f» 



Wake, W. Large v. small telescopes 

 on planets. Knowledge, I-ondon. 

 (X. Ser.), 1,1904, (40). [2040]. 6530 



Wanach, B. r. Nyren, M. 



Wandersleb, E. v. Cuknann, P. 



Wastler, Josef v. Hartner, Friedricli. 



