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Letter from Dr Linden about cobalt mines in parts of Wales
Letter from Dr Linden about cobalt mines in parts of Wales
Letter from Rev M Wingate Pullen about cobalt
Letter from Rev M Wingate Pullen about cobalt
Printed description of the Society
Printed description of the Society
Letter from Anthony Goude on surveying
Letter from Anthony Goude on surveying
Letter from Furzer on machine for raising water
Letter from Furzer on machine for raising water
Letter from Dr Stephen Hales about cobalt
Letter from Dr Stephen Hales about cobalt
Letter from Joseph Ravell about a machine for measuring distances
Letter from Joseph Ravell about a machine for measuring distances
Certificate for 300lb silk imported from Georgia
Certificate for 300lb silk imported from Georgia
Letter from Thomas Pinckney on plantation of mulberry trees in Carolina and Georgia
Letter from Thomas Pinckney on plantation of mulberry trees in Carolina and Georgia
Letter from Thomas Treslove
Letter from Thomas Treslove
Letter from Dr Lewis about cobalt
Letter from Dr Lewis about cobalt
Letter from Thomas Treslove
Letter from Thomas Treslove
Letter from Nicholas Crisp about cobalt
Letter from Nicholas Crisp about cobalt
Letter from Michael Clarke about cobalt
Letter from Michael Clarke about cobalt
Letter from Benjamin Franklin about establishing of a Society in America
Letter from Benjamin Franklin about establishing of a Society in America
Letter from Stephen Perrott and John Courfey, certificate of buff leather
Letter from Stephen Perrott and John Courfey, certificate of buff leather
Letter from Lord Folkestone on premium for buff leather
Letter from Lord Folkestone on premium for buff leather
Letter from John Watson, receipt for £18 to be used for rewarding the planting of white mulberry trees in Carolina
Letter from John Watson, receipt for £18 to be used for rewarding the planting of white mulberry trees in Carolina
Letter from Stephen Theodore Jansen
Letter from Stephen Theodore Jansen
Letter from Francis Beauchamp about cobalt
Letter from Francis Beauchamp about cobalt