Solid Brass Ships Sextant In Box

Early twentieth century solid brass ship navigators sextant in wood box. With calibration label dated 1920 from the National Physical Laboratory, Teddington. Index arm with silver scale is engraved A Van Der Voodt, Canal Des Brasseurs 34 Antwerp. Adjusters card dated 1920. Weight is 8 pounds. Box Dimensions 6" H x 11" L x 10" Deep.