Evidence of Ancient High Technology - Liquid Polishing at the Serapeum of Saqqara - Chapter 4

In this episode of my Serapeum Series, I get into some of the best proof for ancient high technology, in particular the finishing and polishing of the ancient boxes, as well as a couple more features of the their construction.

Chapters 1 through 5 of this series:
Chapter 1: Introduction: https://youtu.be/VGtDAHRK8s0
Chapter 2: The boxes: https://youtu.be/c6f7KPD3QUA
Chapter 3: Precision: https://youtu.be/frhysD0G4mg
Chapter 4: Liquid Polish: https://youtu.be/-PgvvdIBI8E (this video)
Chapter 5: Conclusions! : https://youtu.be/qLrTCYMFUbg
Addendum: Naming: https://youtu.be/12IpEwAGbTY

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