| PAGE | | Carvings in Ivory and in Stone of Cavern Walls made by the Hunters of the Middle Stone Age | 3 | | Early Babylonian Signs, Showing Their Pictorial Origin | 27 | | Villa of an Egyptian Noble | 34 | | The Pyramids of Gizeh | 36 | | Assyrians Flaying Prisoners Alive | 44 | | Two Cretan Vases | 52 | | Insurgent Captives Brought Before Darius | 58 | | The Lighthouse of the Harbor of Alexandria in the Hellenistic Age | 77 | | Triumphal Procession from the Arch of Titus | 96 | | The Printing of Books | 113 | | Portuguese Voyages and Possessions | 126 | | Hero's Engines | 150 | | Hero's Altar Engine | 151 | | Leupold's Engine | 154 |
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