Great Pyramid of Cheops at Giza, demonstrating Piazzi Smyth's theory that passage from subterranean chamber, A, was used to observe the Pole Star at its lowest culmination, while the passage from higher chamber was used to observe Pole Star at its upper culmination. Engraving c1890.

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Great Pyramid of Cheops at Giza, demonstrating Piazzi Smyth's theory that passage from subterranean chamber, A, was used to observe the Pole Star at its lowest culmination, while the passage from higher chamber was used to observe Pole Star at its upper culmination. Engraving c1890.

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Size: 4500px × 2538px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

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