MS 1190/1-3 concerns the manufacture of a platinum boiler for sulphuric acid and is dated 14th February 1810. MS 1190/4 concerns repairs to the boiler and is dated 29th January 1811. MS 1190/5-8 deals with further repairs and possibly the manufacture of a second boiler. Some items bear rough notes and pencil sketches by Farmer and/or Wollaston. Letters from William Hyde Wollaston to Thomas Farmer
