CASSINI DE THURY, César François (1714-1784). La meridienne de l'Observatoire Royal de Paris, vérifiée dans toue l'étendue du royaune par nouvelle observations. Paris: Hippolyte-Louis Guerin & Jacques Guerin, 1744.
CASSINI DE THURY, César François (1714-1784). La meridienne de l'Observatoire Royal de Paris, vérifiée dans toue l'étendue du royaune par nouvelle observations. Paris: Hippolyte-Louis Guerin & Jacques Guerin, 1744. 4 o (252 x 195 mm). Half-title. Engraved head-pieces by Moreau. 14 engraved folding plates (including 5 maps). Contemporary mottled calf, spine gilt, red morocco lettering piece, edges stained red (some light wear to sides). FIRST EDITION. In this treatise, Cassini de Thury disproves his father, Jacques Cassini's, view that the earth is elongated at the poles, instead favoring the Newtonian theory that the earth was flattened at the poles. This treatise was published as a volume in the Suite des Mémoires de l'Académie Royale des Sciences for the year 1740. Norman 413.
CASSINI DE THURY, César François (1714-1784). La meridienne de l'Observatoire Royal de Paris, vérifiée dans toue l'étendue du royaune par nouvelle observations. Paris: Hippolyte-Louis Guerin & Jacques Guerin, 1744.
CASSINI DE THURY, César François (1714-1784). La meridienne de l'Observatoire Royal de Paris, vérifiée dans toue l'étendue du royaune par nouvelle observations. Paris: Hippolyte-Louis Guerin & Jacques Guerin, 1744. 4 o (252 x 195 mm). Half-title. Engraved head-pieces by Moreau. 14 engraved folding plates (including 5 maps). Contemporary mottled calf, spine gilt, red morocco lettering piece, edges stained red (some light wear to sides). FIRST EDITION. In this treatise, Cassini de Thury disproves his father, Jacques Cassini's, view that the earth is elongated at the poles, instead favoring the Newtonian theory that the earth was flattened at the poles. This treatise was published as a volume in the Suite des Mémoires de l'Académie Royale des Sciences for the year 1740. Norman 413.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
