4200 



15S 



Descriptive Astronomy. 



4200 TKiU^ERATURE, BKIGHT- 

 NESS, RADIATION CONSTANT, 

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Abbot, C. G. Recent studies on the 

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Angstrom, Knut. Intensite de la 

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Dufour, Henri et Buhrer, C. Obser- 

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La radiation solaire en 



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Gorczynsld, Ladislas [Wladyslaw]. 

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Herkless, Mrs. The Ijolometer and 

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Kimball, H. H. Abnormal variations 

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• ■ ■ Observations of solar 



radiation with the Angstrom pyrhelio- 

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Lsmgley, Samuel Pierpont. Report of 

 the Secretary of the Smithsonian Insti- 

 tution of all appropriations heretofore 

 e.xpended by the Astrophysical Observa- 

 tory, results reached, and present con- 

 dition of the work, in response to 

 Senate resolution of February 25, 1901. 

 [Published as Senate Document No. 20, 

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 29.5 cm. [Includes reprint of Annals, 

 of the Smithsonian Astrophysical Ob- 

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The " solar constant " and 



related problems. [With bibliography.} 

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On a possible variation of 



the solar radiation and its probable effect 

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Schuster, Arthur. Radiation through 

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4210 ECLIPSES. 



CampbeU. W[illiam] W[allace]. The 

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Chambers, G. F. The total eclipse of 

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Crommelia, A. C. D. The coming 

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Hirayama, S[hin]. Report on the 

 total eclipse of the sun, observ^ed at. 

 Padang, ■ Sumatra, on May 18, 1901. 

 General account of th.e expedition and 

 local condition of the eclipse. Tokyo, 

 Ann. Obs. Astron., 3, Fasc. 2, 1903, 

 (1-4). 



