Which navigational error increases when a sextant's mirrors have offset?

💡 Explanation

An offset mirror produces systematic angular errors, because the optical axes are misaligned, creating parallax error in celestial observations; therefore celestial line of position accuracy decreases, rather than merely impacting computation or horizon alignment alone.

• Which optical consequence arises when grinding medieval glass lens with uneven pressure distribution?
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• Which consequence results when mortise-and-tenon ship joints experience prolonged submersion?
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