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.... The 2022 Netflix modern language version movie based on Jane Austen's 'Persuasion' has the chaste romantic leads sitting in the long grass atop a cliff, facing roughly south, looking out over the English Channel, plot time maybe summer 1814. She has a three circle brass sextant to her eye, and having taken the sunshot under his instruction gets a mansplanation that their latitude can be now estimated with the assistance of a height of eye correction. The scene is at the very end of the movie, just before the credits start to roll.

Has the Height of Eye correction ever previously been mentioned in any other feature length movie(s)?

Michael Bradley