A mahogany cased Maritime sextant, early 20th century. The mahogany case has a retailers plaque, 'Dobbie Mcinnes Ltd. Opticians, 57 Bothwell St. Glasgow'. Later retailed Amsterdam 1949, with impressed stamp 'Martin & Co. Antwerp', with accessories, spare lenses. Case height 12.5 cm. Width 26.5 cm. Depth 24 cm