細節
A mid 19th-Century French lacquered-brass universal equinoctial compass sundial,
signed Cam Rue de la Paix, 24. Paris, the silvered three-quarter chapter ring graduated IIII-XII, I-VIII on the upper surface and 4-12, 1-8 on the inside, with folding gnomon, the silvered folding latitude arc graduated 0-85°, the shaped horizontal plate with glazed compass with circumference scale, stamped initials, blued-steel edgebar needle and clamp, the plate further engraved with latitudes for Madrid, St Petersburg, Paris, London, Vienna and Rome, with two bubble-levels and three screw feet, the underside of the compass case engraved with the latitudes of twelve further cities including Peking, San Francisco, Havana and Cairo -- 12.1cm. (4¾in.) wide