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Boulliau, Ad astronomos monita duo
Lot 961
Lot 961
Estimate
€
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€
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Boulliau (Bullialdus), I. Ad astronomos monita duo. Primum, de stella nova, quae in collo Ceti. Alterum, de nebulosa in Andromedae cinguli parte Borea ante biennium iterum orta. Paris, S. Mabre-Cramoisy, 1667. 4to (20,5:15 cm). Mit gest. Druckermarke u. 1 blattgr. Textkupf. 17 S., 1 eingefalt. Bl. Mod. Umschlag.
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Poggendorff I, 258; DSB II, 349. - Erste Ausgabe. "(It) was Boulliau who (in this work) first established the periodicity of a variable star, Mira Ceti. His explanation of the phenomenon as a rotating semiluminous body or 'half sun' was incorrect, but his estimate of the period as 333 days was accurate" (DSB). Das Textkupfer mit schöner Sternbilddarstellung. - Textkupfer seitlich über den Plattenrand beschnitten, die Tabelle verso unter Verlust von 2 Buchstaben angeschnitten; Titel mit Blattweiserausriß.

First edition. With full-page engraving. - Table on verso of full-page engraving shaved with loss of 2 letters; small marginal tear to title. Recent wrappers.
(
)Poggendorff I, 258; DSB II, 349. - Erste Ausgabe. "(It) was Boulliau who (in this work) first established the periodicity of a variable star, Mira Ceti. His explanation of the phenomenon as a rotating semiluminous body or 'half sun' was incorrect, but his estimate of the period as 333 days was accurate" (DSB). Das Textkupfer mit schöner Sternbilddarstellung. - Textkupfer seitlich über den Plattenrand beschnitten, die Tabelle verso unter Verlust von 2 Buchstaben angeschnitten; Titel mit Blattweiserausriß.

First edition. With full-page engraving. - Table on verso of full-page engraving shaved with loss of 2 letters; small marginal tear to title. Recent wrappers.
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