Manuscript signal book entitled 'Signals at first established for the division of gun vessels at St Helens in February 1798 under the command of James Bradby 2d Esqr...'
Manuscript signal book entitled 'Signals at first established for the division of gun vessels at St Helens in February 1798 under the command of James Bradby 2d Esqr. Captain of the ARIADNE. Corrected and a new code given out in April following', also containing 'Additional signals to be made by Ships or Vessels that may have been reconnoiting Dunkirk' issued by John Lawford, and details of coastal signal stations, (formerly SIG/M/187)