A fine vernier sextant, satin brass finish "three circle" frame, inset silver scale and main arm arc signed Lilley & Son London, index arm, seven shades and horizon, mirror frame in satin black finish, star and sun telescopes plus other accessories in fitted mahogany case, with finely engraved trade label of John Lilley & Son inside lid - 9½in(24cm)wide

細節
A fine vernier sextant, satin brass finish "three circle" frame, inset silver scale and main arm arc signed Lilley & Son London, index arm, seven shades and horizon, mirror frame in satin black finish, star and sun telescopes plus other accessories in fitted mahogany case, with finely engraved trade label of John Lilley & Son inside lid - 9½in(24cm)wide