Erebus and Terror passing Gravesend, 19 May 1845
From a page entitled "IV The Voyage Out - "Erebus" and "Terror" passing Gravesend - 19 May 1845 - sent on order for them to turn back, and go down channel. This order was sent by Captain Stanley".
From "James Fitzjames: The story of the friendships, devoted zeal for the service, high souled courage, self denial, and heroic deaths of 129 British Naval Officers and Seamen. A romance based on information and on facts so authentic and so numerous that it must be very near the truth" by Sir Clements Robert Markham (1899).