10 BIBLIOGRArHY OP ASTRONOMY: 1887. 



di Brera observatory. 



Pubblicazioni . . . No. 31. Azimut assoluto del segnule trigonoraetrico del 

 monte Palanzone suU' orizzonte di Milano, determinato nell 1882 da M. 

 Rajna. 12.5 p. 4to. Milano, 1887. 

 Pubblicazioni . . . No. 32. Nuova triangolazione della citta di Milano eseguitu 

 da F. Borletti. 15 p., 4 pi. 4to. Milano, 1887. 

 Breslau observatory. 



Galle (J. G.) [Report for 1886.] Vrtljschr. d. astron. Gesellsch,, T2: 92. 

 Brussels observatory. 



FoLiE (F.) [Report for 1885 and 1886.] Vrtljschr. d. astron. Gesellsch., 22: 



93-99. 

 [Removal to Uccle.] Nature, 36: 41. 

 Calendar. 



Abetti (A.) Nozioni sul calendario dei Cofti e degli Abissini cristiani. 9 p. 

 4to. Roma, 1887. (M. 1.) 



Repr.from: Atti d. r. accad. d. Lincei, s. 4, Rendic, 3: 396-tOi. 

 Gerigny (P.) Reforme du calendrier: rapport sur les projets presentes au con- 



cours. L'Astron., 6: 212, 260, 293, 339, 384. 

 PoNCET (G.) Pourquoi I'annee eommence-t-elle le P"' Janvier? L'Astron., 6: 

 378-382. 

 Cambridge [Eng.] observatory. 



[Report for 1880.] Month, not., 47: 151. 

 Cambridge [XJ. S.] observatory. See Harvard college observatory. 

 Cape of Good Hope observatory. 



[Report for 1886.] Month, not., 47: 164. 

 Carleton college observatory. 



[Payne (W. W.) Description of the Repsold meridian circle, etc.] il. Sid. 

 mess., 6: 302-306, 319. 

 Chromosphere. See, also, Prominences (Solar). 



Perry (S. J.) [Observations of ] the chromosphere in 1886. Obsry., 10: 129. 

 Chronodeik. 



Verbesserung des Chronodeik. .Sirius, 20: 108-112. 

 Chronographs. 



BucKNEY ( — ) & others. [Remarks on chronograph of Melbourne observa- 

 tory.] Obsry., 10: 49. 

 Herz (N.) Streifen-Ableseapparat. Astron. Nachr., 117: 263. 

 VON Rebeur-Paschwitz (E.) Registrirapparat mit Centrlfugal-Regulirung. 

 il. Ztschr. f. Instrmknd., 7: 171. 

 Chronometers. 



Celi.erier (G.) Etude numerique des concours de compensation des chmnu- 

 metres faits a I'observaloire de Geneve en 1884 et 1886. 45 p. 4to. Geneve, 

 1887. (^lem. soc. phys. et d'hist. nat. Geneve, 29, no. 6.) 

 Ellery (R. L. J.) [Break-circuit chronometer devised and used in Australia 

 in I860.] Obsry., 10: 427. 



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