According to lecturer in Chemistry, John Murray, this item was principally used by M.K. Aston, lecturer in Chemistry at the Ballarat School of Mines from 1947, and later Head of Chemistry until 1980. This balance was kept in M.K. Aston's office. A sartorius single-pan weighing machine, with optical balance display, in off whote cylindrical housing with domed lid. Front access sliding curved panels. Colour-coded weighing knob either side. Selecta Semi-micro, 100g x 0.01 mg Serial Number 104262m.k. austin, john murray, chemistry, scientific instrument, ballarat school of mines, sartorius, sartorius werke