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Shackleton, W[illiam]. Telescopic 

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Shaler, N[athaniel] S[outhgate]. A 

 comparison of the features of the earth 

 and the moon. Washington, D.(\, 

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 IV + 130, with pi.). Separate. 34 3 cm. 

 [4800 5000]. 6420 



Sliilow, Maria f. Zilova, Marija. 



Sidgreaves, Walter. On the connec- 

 tion lietween solar spots and earth- 

 magnetic storms. London, Mem. K. 

 Astr. Soc, 54, 1904, (85-96). [41101 



6421 



Siedentopf, H. v. Culmann, P. 



[Sili6, A. v.] Cn;iHm>, A. B. 3eiuiii, 

 KaKTj n.iaiieTa. [La terre comme 

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 24 cm. [0040 5000]. 6422 



Sitter, W[illem] de v. Kapteyn, 

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Skinner, A[aron] N[ichols]. William 

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 6423 



Skinner, Ernest B. Tnnnan Henry 



Safford. [With list of publications.] 



Madison, Trans. Wis. Acad. Sci , 13, 



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6424 



Slowikowski, Jozef. Znaczenie figur 

 Kopernika i Keplera w przyrodzie, 

 nance i tcclmice. [La signification des 

 figures de Copernic et de Kepler dans la 

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 rXII + 125 16 tab.). 29.5 cm. 4 ruble 

 50 kop. [0010]. 6425 



Smart, David. Near approach of 

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Smith, Alex[ander]. Photograph of 



the vicinity of Epsilon Axiriga?. Engl. 



Mech., London, 80, 1905, (409). [7000]. 



6427 



Photograph of the vicinity 



of Eta Aurigpe. Engl. Mech., London, 

 80, 1905, (545). [7000]. 6428 



Smith, Edwin. The determination of 

 the mean value of a micrometer screw. 

 Washington, D.C., U. S. Treas. Dept. 

 Coast. Geod. Sun-., Rep., 1900, 190J, 

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Smith, Mason F. A second detennina- 

 tion of the relative positions of the 

 piiiicipal stars in the group of the 

 Pleiades. (Researches with the helio- 

 meter.) New Haven, Conn., Yale Univ., 

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 [7019]. 6430 



Sokolov, A[lex6j Petrovic]. Observa- 

 tions des petites planetes et des cometes 

 1902 c et 1902 d faites au refracteur de 

 15 pouces de I'observatoire de Poulkovo 

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 tions faites a la grande lunette meri- 

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 (1-88). [7030]. 6432 



Sommerfeld, Arnold r. Klein, Felix. 



Sotome, K[iyofusa]. Report on the 

 total eclipse of the sun, observed at 

 Padang, Sumatra, on May 18, 1901. 

 Part III. Visual spectroscopic observa- 

 tions. Tokyo. Ann. Obs. Astrou., 3, 

 Ease. 2, 1903, (24-25). [4660]. 6433 



Speckhart, Gust. Zeit- und Wetter- 

 steine. D. UhrmZts, Berlin, 28, 1904, 

 (4). [2030 9200]. " 6434 



Sp^e. La rotation de Jupiter mesuree 



au spectroscope. BiiixelleR, Bull. Soc. 



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6435 



Sprigge, John Abner et alii. Stars 

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 2s. 6d. [Reviews] Nature, London, 69, 

 1904, (532); Observatory, London, 27, 

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Spring, W. Le bleu du ciel. Verb. 

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6437 



Stabile. Come si puo eseguire la 

 composizione degli astri mediante lo 

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 Operai),' 1903, (1-16, con tav.) 25 cm. 

 [0030].' 6438 



Stadeler, E. La reproduction des 

 diagrammes de maree graves par les 



