A wire or rope contrivance placed around cargo and used to load or discharge it to/from a vessel.

Psychrometer to which a small chain or rotary handle is attached so that the observer can rotate the instrument rapidly to properly ventilate the thermometer bulbs.

In general the line, web straps, cable or chains attached to a heavy object to lift it.

Plastic deformation by the irreversible shear displacement (translation) of one part of a crystal relative to another in a definite crystallographic direction and usually on a specific crystallographic plane. Sometimes called glide.

A vessel's berth between two piers.

To let go by unshackling, as a cable.

Is the internal leakage within a rotary compressor. It represents gas at least partially compressed but not delivered. It is experimentally determined and expressed in CFM to be deducted from the displacement to obtain capacity.

Is the speed required of a rotary compressor to maintain a given discharge pressure, supplying leakage only (zero actual output). It is an experience factor.

A bend or hitch used to attach a line to a ring or spar so that by pulling the end of the line, the hitch will come free. This is done by passing a bight of the line under the other part so that when strain is applied the bight is jammed. A pull on the en ...

Another term for a marine railway.

Loose and broken ice in bays, or along exposed edges of floes.

A vessel of amy rig, mounting between 18 and 32 guns.

Chest, or compartment, in which is stowed clothing for issue to crew.

Compartment in which clothing for issue to crew is stowed.

Crew store managed by crew members offering everything from snacks to toiletries. Originally the name given to clothing that was issued to seamen.

The opening between the jib and the mainsail. Wind passing through this opening increases the pressure difference across the sides of the mainsail, helping to move the boat forward.

An experimental technique for evaluating susceptibility to stress-corrosion cracking. It involves pulling the specimen to failure in uniaxial tension at a controlled slow strain rate while the specimen is in the test environment and examining the specimen ...

Passenger Ship Safety Certificate

Cargo Ship Safety Radio Telegraphy/Telephony Certificate

A soft, black, mayonnaise-like deposit which is typically an emulsion of oil, water, and oil insolubles.