• Reference
    FN1294
  • Title
    'The contents of my last patent for navigation', a summary of FN 1292 probably made by or for Arnold Spencer; two queries attached.
  • Date free text
    No date, mid 1600s; original dated 11 Dec 1638
  • Production date
    From: 1638 To: 1670
  • Reference
  • Level of description
    item