A wide tube or funnel of canvas, used to convey a stream of air into the lower compartments of a ship for ventilation.

Related Terms

BUMPKIN

The spar projecting from stern of ship

AIR COOLER

A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.

TRAMP FREIGHTER

A cargo ship engaged in the tramp trade.

AIR INFILTRATION

The leakage of air into a room through cracks in doors, windows, and other openings.

CLEAN ROOM

A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.

CORDAGE

Ropes in the rigging of a ship

OUTDOOR AIR

Air taken from outdoors and, therefore, not previously circulated through the system.

SPREAD

The divergence of the air stream in a horizontal or vertical plane after it leaves the outlet.

WEATHER SIDE

The side of a ship exposed to the wind.

AIR

A substance containing by volume approximately 78 - 79% nitrogen; 20.95% oxygen, 0.94% argon, traces of carbon dioxide, helium, etc.

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