...oes not appear to have estimated the character of the alloys of copper and tin, some of which are very hard. (See alloy; bronze.) Belzoni discovered an iron sickle-blade beneath a granite sphinx at Karnak . Colonel Vyce found an iron blade imbedded in the great pyramid. Layard found a steel cross-cut saw, and other articles of iron, at Nimroud; the saw is now in the British Museum. The butchers o...