Additamentum in F. G. W. Struve Mensuras Micrometricas Stellarum Duplicium Editas Anno 1837: Exhibens Mensuras Dorpati Annis 1837 et 1838 Institutas : Adjecta Est Disquisitio de Parallaxi Annua Stellae [Alpha] Lyrae

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Very good (good condition)

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Good (clean condition)

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All pages and the cover is intact. Pages include considerable notes in pen or highlighter, but the text is not obscured.