13 November 1782
Drake, William, fl. 1782
Manuscript signed
Title: [Private signals for British vessels to identify one another at sea by day and night]
Provides very specific instructions for identification procedures. Written on board the H.M.S. Perseus. Written to Captain George Darby, commander of the sloop Pylades. Based on the command of Admiral Leonard Horner.
GLC01450.412.16