Timeline Of Historic Inventions
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Timeline Of Historic Inventions
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5 Questions

1. Fire and then cooking

2. Spiral stairs (Temple A) in Selinunte - Sicily (see also List of ancient spiral stairs)

3. Sakia gear in Hellenistic Egypt

4. Canal lock (possibly pound lock) in Ancient Suez Canal under Ptolemy II (283

5. Watermill (grain mill) by Greek engineers in Eastern Mediterranean (see also List of ancient watermills)