WWI Lacquered Brass Pocket Sextant. This brass sextant is signed, ‘H. Hughes & Son Ltd. London’ It is numbered 536 dated to 1918 and marked with the small arrow of the British Military. It consists of a silvered scale (0-130 degrees) and vernier with magnifying lens. A small screwed in lever can be removed and applied to a small screw on the side for adjusting the inner lenses. A revolving mirror and telescope that pulls out to allow direct view through green or brown filters. The instrument is made in a drum shaped case with screw on rear cover. Inside the cover is a pasted paper of natural tangents to a base of 100, also signed H. Hughes & Son London. Henry Hughes established his firm in 1830. around 1850 his son Alexander joined him and the firm was known as Hughes & Son. In 1903 the company became Limited.
