Bessel, F. W. Fundamenta astronomiae pro anno MDCCLV deducta ex observationbibus viri incomparabilis James Bradley in specula astronomica Grenovicensi per annos 1750 - 1762 institutis. Königsberg, F. Nicolovius, 1818. Fol. (34,5:21 cm ). 6 Bll. , 32 5 S. Etwas späterer Hldr. mit Rsch. , leicht berieben, Vordergelenk mit kleinem Einriss. ( ) Houzeau-L. 10117; D SB II, 99 u. 102; Norman 226. - Erste Ausgabe. "This work also gives the proper motions of the stars, as derived from the observations of Bradley, of Piazzi, and of Bessel himself. It constitutes a milestone in the history of astronomical observations, for until then positions of stars could not be given with comparable accuracy: through Bessel's work, Bradley's observations were made to mark the beginning of modern astrometry" ( D SB ). - Leicht gebräunt, vereinzelt stockfleckig, Vorsätze stärker.
Bessel, F. W. Fundamenta astronomiae pro anno MDCCLV deducta ex observationbibus viri incomparabilis James Bradley in specula astronomica Grenovicensi per annos 1750 - 1762 institutis. Königsberg, F. Nicolovius, 1818. Fol. (34,5:21 cm ). 6 Bll. , 32 5 S. Etwas späterer Hldr. mit Rsch. , leicht berieben, Vordergelenk mit kleinem Einriss. ( ) Houzeau-L. 10117; D SB II, 99 u. 102; Norman 226. - Erste Ausgabe. "This work also gives the proper motions of the stars, as derived from the observations of Bradley, of Piazzi, and of Bessel himself. It constitutes a milestone in the history of astronomical observations, for until then positions of stars could not be given with comparable accuracy: through Bessel's work, Bradley's observations were made to mark the beginning of modern astrometry" ( D SB ). - Leicht gebräunt, vereinzelt stockfleckig, Vorsätze stärker.
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