'A Printed System of Signals combining the method commonly used in the British Navy, of making signals from fixed places of the Masts or Rigging, with a numery method...'.
'A Printed System of Signals combining the method commonly used in the British Navy, of making signals from fixed places of the Masts or Rigging, with a numery method...' by Admiral Phillip Patton (1739-1815), 1787 [Formerly L65/56]