Machines in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the flowing medium. (Raise the pressure of the air by converting the energy from the velocity of the air to pressure.)

Contraction for Empty Repositioning. The movement of empty containers.

Cloths hung on the lee side of a berth to keep one from rolling out of their bunk

A compressor belonging to the group of displacement reciprocating compressors.

A location that is not sheltered from the wind and seas. An open location would not make a good anchorage.

Polaris, the North Star, is visible in the northern hemisphere and indicates the direction of north. In the southern hemisphere the Southern Cross is used to find the direction of south.

A plot of expected operating characteristics (e.g.., discharge pressure versus inlet capacity, shaft horsepower versus inlet capacity).

A beam which supports a deck.

A passenger or cargo-carrying ship which is operated between scheduled, advertised ports of loading and discharge on a regular basis.

Is singular for media and is the material...paper, wire, cellulose or a combination... from which the filter element is made and which does the actual filtration or separation.

An instrument that can be modified or cancelled at any moment without notice to and agreement of the beneficiary, but customarily includes a clause in the credit to the effect that any draft negotiated by a bank prior to the receipt of a notice of revocat ...

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

Reversing the position of an object or line.

A stick with a blade in the end of it used to propel a small boat through the water; The act of using a paddle to propel a boat.

To receive goods from a foreign country.

The cover of a scuttle-way or small hatchway which leads to to or from a store room, cabin of small craft, crew's quarters, the forecastle or fore peak.

A very strong sail used in stormy weather. It is loose footed, being attached to the mast, but not the boom. This helps prevent boarding waves from damaging the sail or the rigging.

A sailor's paradise where amusements were plentiful, and the women were accommodating.

Federal Communications Commission Rules governing radio equipment and operation in the United States.

The tide with the least variation in water level, occurring when the moon is one quarter and three quarters full. The lowest high tide and the highest low tide occur at neap tide. The opposite is the spring tide.