Lot n° 167

MAIRE Cristoforo & BOSCOVICH Ruggero Giuseppe. De Litteraria Expeditione per Pontificiam Ditionem ad dimetiendos duos Meridiani gradus et corrigendam Mappam Geographicam jussu, et auspiciis Benedicti XIV. Roma, Pagliarini, 1755.

Estimation : Start Price 800 € /
Description
4to, mm. 250x175; Contemporary full calf binding, gilded titles and ornaments on the spine, marbled end papers, red edges; pp. XXI, [1], 516, [4];
4 copper plates folded out text. Specimen belonged to the Piedmontese matematician Carlo Ignazio Giulio, with label and stamp of his private collection on the first and last end paper.

RARE ORIGINAL EDITION.
The work concerns the shape of the Earth: Benedict XIV decided to measure the arc of the meridian, on the basis of shipments of Maupertuis and Clairaut, Bouguer and La Condamine, who had indicated a new figure of the Earth. The work was undertaken by the father Boscovich and Christopher Maire, who measured a meridian arc between Rome and Rimini, an operation that committed the two scientists for about two years.

I risultati, di notevole valore scientifico, che portarono tra l'altro alla correzione della carta geografica degli Stati della Chiesa, sono condensati in questo corposo volume. Whyte: “The expedition had yielded valuable results... Maire and Boscovich had determined the height of the Pole with greater precision than had been done before. Their observations had also confirmed Bradley's theory of the aberration of light.”
Riccardi I, 179; Honeyman 2115; Whyte, p 218.

Slight sign of wear and brownings, nice specimen.
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