Collection search - Plans, section & elevation of a proposed tower &c for the termination of the defences at the saliant angle of King's bastion, Citadel on Cape Diamond, by Colonel Durnford, Commg Riyal Engineer, Quebec, Commanding Royal Engineers Office Quebec, October, 1825. E.W. Durnford, Col., Commg Rl Engr. Canada. N. Cardine, Cap. R.E. comt Dist. Copied by Daniel Brown, Lce Corpl Royal Sappers & Miners. [architectural drawing]