A circumstantial journal of the long and tedious blockade and siege of Gibraltar : from the 12th of September, 1779, (the Day the Garrison opened their Batteries against the Spaniards) to the 23rd day of February, 1783 ; Containing, An authentic Account of the most remarkable Transactions, in which the Enemy's Motions, Works, Approaches, Firings, &c. are particularly described. In series of letters, from the author to his brother. By S. Ancell, of the 58th Regiment