Secret Memorandum to Purvis, letters from Spain being written in Lemon juice and then heated to render them decipherable

Secret Memorandum to Purvis, letters from Spain being written in Lemon juice and then heated to render them decipherable

Object Details

ID: PRV/59/18
Type: Manuscript
Display location: Not on display
Creator: Purvis, John Child
Credit: National Maritime Museum, Greenwich, London
Parts: Purvis, John Child, Admiral, 1746-1825 (Manuscript)