Jean Gabriel Augustin CHEVALLIER (1778 - 1848) known as "l'I - Lot 244

Jean Gabriel Augustin CHEVALLIER (1778 - 1848) known as "l'Ingénieur Chevallier". Three-draw opera lorgnette in finely gilded and partly chased metal and brown tortoiseshell marked "Chevallier Ingénieur de S. M. le roi de Westphalie vis à vis le marché aux fleurs Paris". Empire period, between 1807 and 1813 Length: 6.5 cm Note: Jean Gabriel Augustin Chevallier is the grandson of François Trochon, a renowned optician in Paris, whose store Chevallier took over in 1796, making it one of the oldest optical firms in Paris. Galignani's Nouveau Guide de Paris of 1827 describes him as follows: "Chevallier (le Chevalier), 1, Tour de l'horloge du Palais, face au Marché aux Fleurs, Optician to the King and Royal Family, inventor of the "gardien de vue", inventor of opera glasses called cylinders and isocentric glasses for reading, writing and seeing at a distance, for which patents were granted to him.