The Nautical Encyclopedia
Patterson’s Illustrated Nautical Encyclopedia — Howard Patterson, 1891

Water Ballast

Sea Terms

Water carried in flat tanks in a vessel's hold to serve as ballast for the ship. When the vessel is loaded these tanks are emptied by being pumped out.

Vessel with double-bottom on top of ordinary floors — water ballast tank, pillars and stringers
Vessel with double-bottom on top of ordinary floors — water ballast tank, pillars and stringers
Forecastles, poops, water ballast tanks, etc. — hull profiles of steamers and a sailing vessel
Forecastles, poops, water ballast tanks, etc. — hull profiles of steamers and a sailing vessel
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