The Nautical Encyclopedia

Patterson’s Illustrated Nautical Encyclopedia — Howard Patterson, 1891

⚓ The Superstition Locker ⚓

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Home ⚓ Letter A ⚓ Air Pump

Air Pump

Engineering

That pump which removes air and water of condensation from the condenser.

← Air Gauge All “A” entries Air Valve →

2026 Editor's Note: The air pump — pulling condensed steam and air from the condenser — kept the vacuum that made engines efficient; power stations still run its descendants, and the term survives in every steam manual. See condenser plant. (Ed: BR 2026-06-02)

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