Details
A 19th-Century lacquered-brass camera lucida,
the table clamp signed NEGRETTI & ZAMBRA LONDON, with extending arm, prism and shade, in the original plush-lined leather-covered case -- 10½in. (26.7cm.) long
the table clamp signed NEGRETTI & ZAMBRA LONDON, with extending arm, prism and shade, in the original plush-lined leather-covered case -- 10½in. (26.7cm.) long