拍品 89
89
A black enamelled and brass three circle framed sextant, signed on the arc H.HUGHES & SON Ltd 59 FENCHURCH St LONDON EC, with telescope mount, seven shades, mirrors, the index arm with framed vernier scale and magnifier, tangent screw and clamp, the arc with inset silvered scale, on three brass pillar feet in fitted mahogany case with accessories - 10¼in.(26cm.)wide

細節
A black enamelled and brass three circle framed sextant, signed on the arc H.HUGHES & SON Ltd 59 FENCHURCH St LONDON EC, with telescope mount, seven shades, mirrors, the index arm with framed vernier scale and magnifier, tangent screw and clamp, the arc with inset silvered scale, on three brass pillar feet in fitted mahogany case with accessories - 10¼in.(26cm.)wide