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Pair of silver metal and pearl opera glasses, signed the optician Chevalier * Paris, Napoleon III nineteenth century.
These binoculars are in good condition. They operate. The handle can grow.
A note: some dust in the glasses, little impact on the rim of a glass to metal, light wear of time, see photos.
Charles Knight (1804-1859) is a member of a long line of opticians engineering dating back to 1760. His father, Vincent Chevalier, worked on the design of achromatic lenses for microscopes. They were associated, at 69 Quai clock when easily marketed for the first time in 1823 achromatic objectives. Charles separates from his father in 1831, founded his own company at 163 rue du Palais Royal, Paris and markets its own microscopes. The appearance of the daguerreotype grows an interest in photography, and in 1841 he established a studio in Paris. He worked in the scientific effervescence of the years 1840-1850, to improve the process. Upon his father's death he merges the two companies. His son Arthur Chevalier was also an engineer-optician. The workshop of 69, Quai clock was then taken by the engineer-optician Pierre-Ambroise Richebourg who had apprenticed for 10 years at Vincent Chevalier. It was in the studio of Charles Chevalier Camille Sebastian Nachet forms to the optician before opening his famous house in 1839.
