Electric No 2 Gold Dredge - Machinery Layout Drawings. Note - the original plans were drawn by (Jack) John Crow and Alexander Crow McGeorge in about March 1896. The origin of this plan was from a tracing supplied by Mr A C McGeorge of Cromwell. This plan was prepared by Mr O Trickett, draftsman from the Geological Survey section of the Department of Mines and Agriculture, New South Wales, Australia. See also images 2360 and 2361 for additional information. (Source - New South Wales, Department of Mines and Agriculture Geological Survey. Mineral Resources No 3. Notes on Gold Dredging. via Central Stories - Alexandra)