Other embrasures were cut and guns mounted, and by the time the Siege ended in February 1783, the tunnel was 370 feet (113m) long and had four guns mounted in it. This first gallery was called 'Windsor Gallery'. Sergeant Major Ince did not stop there - he went on to tunnel two other galleries called "King's And Queen's Lines" lower down the north face of the Rock.
http://www.the-rock-of-gibraltar.com/Great-Siege-Tunnels/
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