细节
A 20th-Century micrometer sextant by Kelvin Hughes
the grey crackle finish three-circle frame with stainless steel arc divided 5°- 0°- 125°, the micrometer plate numbered 71952, seven shades, two mirrors, adjustable telescope and wooden handle, contained in a fitted wood box with trade test certificate dated 1969 in lid, the index -- 6½in. (17cm.); the box -- 10¼ x 11in. (26 x 18cm.), securing hook and leather handle; a Walker's "Knotmaster" Log Mark III contained in fitted pine box complete with twine and impellors; and a liquid-filled hand baring compass signed Henry Browne & Son Ltd, with prismatic attachment (3)
the grey crackle finish three-circle frame with stainless steel arc divided 5°- 0°- 125°, the micrometer plate numbered 71952, seven shades, two mirrors, adjustable telescope and wooden handle, contained in a fitted wood box with trade test certificate dated 1969 in lid, the index -- 6½in. (17cm.); the box -- 10¼ x 11in. (26 x 18cm.), securing hook and leather handle; a Walker's "Knotmaster" Log Mark III contained in fitted pine box complete with twine and impellors; and a liquid-filled hand baring compass signed Henry Browne & Son Ltd, with prismatic attachment (3)