A historical cased set of L. Oetling & Co. brass scientific scales, owned by Sir Douglas Mawson, late 19th century the top of the mahogany case stamped ' BR.ANT.EX 1907 ', the brass precision scales inscribed L Oertling, London Ltd. twice, an ivory small scale plaque attached to the brass column, the case with glazed sides and two drawers to base, ivory knobs and on brass toupie feet, 56 cm high, 44 cm wide, 32 cm deep. Provenance, The beam balance was used for precise measurements at Cape Royds during the 1907-1909 British Antarctic (Nimrod) Expedition led by Sir Ernest Shackleton, of which Sir Douglas Mawson was a member. The balance was subsequently given to Sir Douglas Mawson by Shackleton who brought it back to South Australia., Private Collection South Australia