Blaise PASCAL OEuvres de Blaise Pascal. La Haye chez Detune, Libraire, 1779. 5 vol. in-8, bound in speckled green calf, spines decorated with red coins and gilt iron, boards with the royal coat of arms and the competition of the Lycées de Paris, Universités de France, in gilt. Portrait of Pascal by Qusnel on the first volume. With a handwritten bill from the winner of the 2nd prize in mathematics in 1814. Boards detached, part of spine torn off, wear, stains and scratches.