A B/L wherein the paying customer has contracted with the carrier that shipper or consignee information is not given.

Engineering science pertaining to gaseous pressure and flow.

On a square-rigged ship, the short pieces of line which hang from the yards and support the footropes on which the topmen stand while working aloft on the sails.

Rotative speeds at which rotating machinery-axial or screw lobe-pass through unbalanced operation.

Nautical slang for the engineroom crew. Included the chief engineer, who ran the engine and supervised; oilers and wipers, who lubricated and maintained the engine; and firemen and coal-passers, who fed the steam boilers.

Hinged covers for freeing ports.

The qualified operating pressure which is recommended for a component or a system by the manufacturer.

Canvas or wood seat attached a halyard to raise and lower someone to work on the mast

A stationary passage surrounding an impeller, in which velocity pressure imparted to the flow medium by the impeller is converted into static pressure.

Moving belt which brings a continuous supply of buckets loaded with bulk commodities.

A load sufficient in size to fill a container either by cubic measurement or by weight.

Small birds that foretell bad weather and bad luck.

Machines in which axial vanes slide radially in an eccentrically mounted rotor.

A purchase (block and tackle) for hoisting a boat to its davits.

See Door-to-Door.

Response to an offer which varies the terms or conditions of that offer.

To go onboard, to go into a ship, or to gain access to a vessel.

A small wooden box, with lock and key, in which seamen keep sentimental valuables, stationery, and sundry small stores.

An able-bodied seamen entrusted with the steering of a vessel when entering or leaving a harbor. He is also involved with the use and upkeep of navigational equipment.