細節
A laquered and black enamelled brass sextant
signed on the arc 'H. Hughes & Son. Ltd. London' further engraved 'Britannia, serial No. 53805', the three-circle pattern frame with seven shades, mirrors, electrical attachments, index arm, 6¾in. (17.2cm.) radius with 'Husun' trade label, micrometer fine adjustment and with accessories in mahogany case -- 11¼in. (28.5cm.) wide
signed on the arc 'H. Hughes & Son. Ltd. London' further engraved 'Britannia, serial No. 53805', the three-circle pattern frame with seven shades, mirrors, electrical attachments, index arm, 6¾in. (17.2cm.) radius with 'Husun' trade label, micrometer fine adjustment and with accessories in mahogany case -- 11¼in. (28.5cm.) wide