細節
A micometer sextant
the three circle black crackle finshed frame with brass inlaid arc stamped H. Hughes & Son Ltd and numbered 53349, the silvered scale divided 5°- 0°- 125° with lamp operated by switch in bakelite handle attached, the HUSON trade mark pinned to index arm, seven shades, two mirrors and telescope in fitted box with accessories with a French test certificate in lid, securing hooks and handles -- 10in. (26cm.) square approx
See illustration
the three circle black crackle finshed frame with brass inlaid arc stamped H. Hughes & Son Ltd and numbered 53349, the silvered scale divided 5°- 0°- 125° with lamp operated by switch in bakelite handle attached, the HUSON trade mark pinned to index arm, seven shades, two mirrors and telescope in fitted box with accessories with a French test certificate in lid, securing hooks and handles -- 10in. (26cm.) square approx
See illustration