Constant of Aberration. 



173 



3310 



Zurhellen, Wnltlier. Darlegung unci 

 Kritik der zur Reduktion photographisclier 

 Hiramelsaufnalimea aufgestellteu Formeln 

 und Methoden. Fraukfurt a. M. , Jahresber. 

 phvsik. Yer., 1902 1903, 1904, Beilage, 

 (viii-(-96). 21 cm. 



3200 



TEESOXAL EQUATIONS. 



Aitken, E[obert] G[raut]. Personal 

 scale. San Francisco, Cal., Pub. Astr. 

 See. Pac, 15, 1903, {'220). 



Boccardi, G. Eemarques sur I'cquation 

 personnelle decimale. Bid. astr., Paris, 20, 



1903, (382-389). 



Boss, Lewis. Detenuiuatiou of absolute 

 magnitude-equation for the catalogue of 

 627 standard stars (A. J. 531-2). Astr. J., 

 Boston, Mass., 23, 1903, (83-92). 



Cerulli, Y[iucenzo]. L'iraage de Mars. 

 [Phvsiologische Fehlerquellen.] Astr. 

 Naciir., Kiel, 167, 1905, (369-376). 



. Das :\Iarsbild. [Physiolo- 



gisclie Fehlerquellen.] Weltall, Berlin, 5, 

 1905, (231-236). 



Hinks, Arthur R. Magnitude equation 

 in rii>-ht ascension. Observatory, London, 

 28, i905, (290-292). 



S[cMesinger], F[rank]. Personal scale. 

 San Francisco, Cal., Pub. Astr. Soc. Pac, 

 15, 1903, (207-209). 



3220 EEEOES OF SCREWS, 



CIRCLES, Etc., FLEXURE. 



Angelitti, Filippo. Studio della fiessione 

 del cannocchiale del circolo meridiano di 

 Pistor et Martins con osservazioni fatte dal 

 20 nov. 1901 all'8 gennaio 1902. Palermo, 

 Pubbl. Osserv., 12, 1904, (1-31). 



Tucker, Rpchard] H[awley]. The 

 gi'aduation errors of a divided cucle. Pop. 

 Asti-., Xorthfield, Mmn., 11, 1903, ([523]- 

 534). 



The ultimate measurement of 



graduation errors. Pop. Astr., Xorthfield, 

 Minn., 12, 1904, (579-585). 



3240 PHOTOGRAPHIC IMATE- 

 RIALS AXD PROCESSES. 



Plates, Development, Fading of 

 Images. 



Bemporad, Azeglio. Sulla riduzione 



deUe lastre della ' fotogratia steUare. 



C^atania, Mem. Soc. spettroscop. ital., 33, 



1904, (120-131). 



Blochmann, Richard. Die Entstehuug 

 des Lichthofes und seine Venneidung durch 

 Isolarplatten. Jahrb. Phot., Halle, 18, 

 1904, (217-224). 



Dolezal, Eduard. Arbeiten und Fort- 

 schritte auf dem Gebiete der Photogram- 

 metrie in den .Jahren 1902 und 1903. 

 Jahrb. Phot., Halle, 18, 1904, (177-193). 



Morgenstern, Ernst. Sternphotogra- 

 phien. Phot. Edsch., HaUe, 17, 1903, 

 (251-254); Phot. Centralbl., Halle, 9, 



1903, (251-254). 



Schlesinger, Frank. On the stellar 

 parallax plates takeu with the Yerkes 

 telescope. Astroph. J., Chicago, lU., 30, 



1904, (123-130, with text fig. and pi.) . 

 Wallace, Robert James. The silver 



"gi-ain" in photography. Astroph. J., 

 Chicago, 111., 20, 1904; (113-122, with 

 text fig. and pi.). 



BETEEMIXATIOX OF ASTRO- 

 NOMICAL CONSTANTS BY 

 OBSERVATION. 



3300 



GEXEEAL, 



Degener, B. L'eber eiuige Xaherungs- 

 formelu der Ausgleichungsrechnung. Zen- 

 tralbl. Bauverw., Berlin, 23, 1903,'(46-47). 



Foerster, "\Yilhelm. Beitrage zui- 

 Ausgleichuug der f undamentaleu Ortbestim- 

 munueu am Himmel. Astr. Abh., Kiel, 

 5, 1904, (1-45). 



3310 COXSTAXT OF ABEEEA- 

 TIOX. 



Chandler, S[eth] C[arlo]. The probable 

 value of the constant of aberration. Astr. 

 J., Boston, Mass., 23, 1903, (1-5). 



Doolittle, C. L. Results of observa- 

 tions with the zenith telescope, Flower 

 Observatory, University of Pennsylvania. 

 Astr. J., Boston, Mass., 23," 1903, 

 (104-105). 



Schlesinger, Frank. The constant of 

 aberration and the solar parallax. San 

 Francisco, Cal., Pub. Astr. Soc. Pac, 

 15, 1903, (45-46). 



The difficulty of determining 



the constant of aberration. San Francisco, 

 Cal., Pul). Astr. Soc. Pac, 15, 1903, 

 (46-48). 



Weinek, Ladishius. Die Lehre vou der 

 Aberration der (iistirne. Wien, Denkschr. 

 Ak. Wiss., 77, 1905, (14.5-212). 



