細節
An unusual 19th-Century lacquered-brass camera lucida, or graphic mirror,
signed on the mirror cage ALEXr ALEXANDER OPTICIAN TO THE KING, EXETER, and stamped No.1351, with table clamp (detached) and telescopic mount and printed sheet of original instructions, contained in a mahogany carryin case -- 9in. (24.8cm.) wide
signed on the mirror cage ALEXr ALEXANDER OPTICIAN TO THE KING, EXETER, and stamped No.1351, with table clamp (detached) and telescopic mount and printed sheet of original instructions, contained in a mahogany carryin case -- 9in. (24.8cm.) wide