The Nautical Encyclopedia

Patterson’s Illustrated Nautical Encyclopedia — Howard Patterson, 1891

⚓ The Superstition Locker ⚓

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Home ⚓ Letter D ⚓ Dip Sector

Dip Sector

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An instrument for measuring the true dip of the horizon.

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The Nautical Encyclopedia (1891) is in the public domain; this digital edition © 2026 PhotoOpAI.