'The glass lens is the magic eye of science; but it is also the giant's eye of modern mechanised war, without which armies would be practically blind.' H.C. McKay, 'Magic eyes of war and peace', Smith's Weekly, 18 November 1939, p. 13.
H.C. McKay, 'Magic eyes of war and peace', Smith's Weekly, 18 November 1939, p. 13.