細節
A black-enamelled framed sextant
by Hughes & Son Ltd., the braced frame with six shades, mirrors and adjustable telescope mounting, the index arm with Husun trade label, 6¾in. (17.2cm.) radius, with battery illumination to the scale, micrometer vernier adjustment and accessories, in mahogany case -- 12in. (30.5cm.) wide; and an electron Capt Fields Improved parallel rule No. 1716 signed H. Hughes & Son, 59 Fenchurch St. London, in mahogany case -- 24¾in. (62.8cm.) long (2)
by Hughes & Son Ltd., the braced frame with six shades, mirrors and adjustable telescope mounting, the index arm with Husun trade label, 6¾in. (17.2cm.) radius, with battery illumination to the scale, micrometer vernier adjustment and accessories, in mahogany case -- 12in. (30.5cm.) wide; and an electron Capt Fields Improved parallel rule No. 1716 signed H. Hughes & Son, 59 Fenchurch St. London, in mahogany case -- 24¾in. (62.8cm.) long (2)