1. Ancient Inventions: Frame Harp
   
   
2. Ancient Inventions: Stone-Hurling Catapult
   
   
3. Ancient Inventions: Holy Water Dispenser
   
   
4. Ancient Inventions: Heron's Steam Engine
   
   
5. Ancient Inventions: The Crossbow
   
   
6. Ancient Inventions: Thunder-Making Machine
   
   
7. Ancient Inventions: Roman-Style Fresco
   
   
8. Ancient Inventions: The Chelys-Lyra
   
   
9. Smith College Museum of Ancient Inventions: Archimedes' Screw
   
   

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