細節
A 19th-Century lacquered-brass camera lucida,
signed Mson de L'Ingr Chevallier, Optn, Place du Pont-Neuf. 15 á Paris, with telescopic arm, prism, two shades and four glass magnifiers, in plush-lined simulated leather-covered case -- 10½in. (26.6cm.) long
signed Mson de L'Ingr Chevallier, Optn, Place du Pont-Neuf. 15 á Paris, with telescopic arm, prism, two shades and four glass magnifiers, in plush-lined simulated leather-covered case -- 10½in. (26.6cm.) long