Note 534 — Chapter VIII · THE SWORD IN ANCIENT EGYPT AND IN MODERN AFRICA.
Reading edition
The Journ. Anthrop. Inst. (August 1883) has printed an excellent paper ‘On the Mechanical Methods of the Ancient Egyptians.’ Mr. W. M. Flinders Petrie believes that they cut diorite with lathes and jewel graving-points (diamond? or corundum abundant in Midian?); and that the diamond was the ‘piercing-stone’ of early Babylonian Inscriptions.