5924148 ?Sketch of the Fortress of Ghuznee. Taken by Storm on the 23rd July 1839? (litho) by Wingate, Lieutenant Thomas (fl.1833-42) (after); National Army Museum, London; (add.info.: ?Sketch of the Fortress of Ghuznee. Taken by Storm on the 23rd July 1839?. From a volume of 14 coloured lithographs \'The Storming of Ghuznee and Kelat\' by W Taylor after Lieutenant Thomas Wingate, 2nd Queen?s Royal Regiment, 1839 circa. After forcing the Bolan Pass and capturing Kandahar without a fight, Sir John Keane?s Army of the Indus advanced on the formidable Ghazni fortress. Protected by thick, 60-feet high walls it presented a major problem for the British who lacked heavy artillery. They were only able to capture it because Mohan Lal, a Kashmiri interpreter, spy and assistant to the political officer Captain Sir Alexander Burnes, managed to discover that one of the gates was poorly defended.); by National Army Museum .