C.1910, English, signed to the back of the foot 'Advanced Students' and 'J Swift & Son, London', stands on black enamel foot with a plano-concave mirror on an articulated arm, with swing out sub-stage polariser and condenser, rotating stage with mechanical stage, bodytube incorporating a slide in/out analyser and Bertrand lens, in mahogany case with 3 swift objectives, 2 eyepices and a table Bulls-eye condenser, case width 39cm Footnote: the microscope is engraved with the name H. B. Milner. Milner was involved with the oil industry and published various articles. He wrote various books including 'Popular Oil Geology' in 1920, 'Sedimentary Petrography' Published by George Allen & Unwin, London (1962)