A compressor cooled by atmospheric air circulated around the cylinders or casing.

A track or groove in the back of the mast to which the sail is attached by means of lugs or the bolt rope.

A light source composed of a metal base, a glass tube filled with an inert gas or a vapor, and base pins to attach to a fixture.

A form of data transmission in which the bits of each character are sent one at a time along a single communication path. Compare to parallel data transmission.

Interim Final Rule

Maritime Defense Zones

See 'American-style.

Warehouse Withdrawal for Transportation Immediate Exportation.Allows merchandise that has been withdrawn from a bonded warehouse at one U.S. port to be exported from the same port exported without paying duty.

A type of heat pump that uses sealed horizontal or vertical pipes, buried in the ground, as heat exchangers through which a fluid is circulated to transfer heat.

A hypothetical, ideal body which absorbs completely all incident radiation. independent of wavelength and direction. No actual substance behaves as a true black body, although platinum black and other soots rather closely approximate this ideal. However, ...

The part of a measuring instrument which responds directly to changes in the environment.

Electrodepositing a metal or alloy in an adherent form on an object serving as a cathode.

The coupling of salaries and pensions etc to the retail price index in order to make sure that the.

A white disk 12" or more in diameter which is lowered into the sea to estimate transparency of the water. The depths are noted at which it first disappears when lowered and reappears when raised.

see Gybe

A deduction of either 50% or 100% which is made from the value of land in the UK, Channel Islands or.

Power Take Off

A timber or rib of a ship running from the keel to the side rail; the transverse strengthening members in a ship's hull that extend from the keel to the deck or gunwale. The frames form the shape of the hull and act as a skeleton on which the hull plankin ...

The small triangular space found at the intersection of lines of position on a chart when a ship's position is determined by taking three bearings.

A mercury barometer designed for use aboard ship. The instrument is of the fixed-cistern type (see Kew barometer). The mercury tube is constructed with a wide bore for its upper portion and with a capillary bore for its lower portion. This is done to incr ...