Notice To Mariners

The pressure of the steam or water in a boiler as measured; usually expressed in pounds per square inch gauge (psig).

A type of insulation, composed of small diameter pink, yellow, or white glass fibers, formed into blankets or batts, or used in loose-fill and blown-in applications.

A rope spliced into the end of a block and used for making it fast to rigging or spars. Such a block is called a tail-block.

A small wooden, metal or plastic insertion at the head of a mainsail.

A material that can be used to store thermal energy as latent heat. Various types of materials have been and are being investigated such as inorganic salts, eutectic compounds, and parrafins, for a variety of applications, including solar energy storage ( ...

A graphical device used for the determination of the speed of the geostrophic wind from the isobar or contour-line spacing on a synoptic chart.

Freight that has not been called for or picked up by the consignee or owner.

See Intracoastal Waterway.

Annual publication of astronomical data for the use of navigators.

(1) The initial component or the sensing element of a measuring system. For example, the receiver of a rain gauge is the funnel which captures the rain and the receiver of a thermoelectric thermometer is the measuring thermocouple. (2) An instrument used ...

A platform with or without sides, on which a number of packages or pieces may be loaded to facilitate handling by a lift truck.

Gross Domestic Product: The total value of goods and services produced by a nation over a given period, usually 1 year.

Corrosion in which cobalt is selectively leached from cobalt-base alloys, such as Stellite

New York Mercantile Exchange

1,000 board feet. One MBM equals 2,265 C.M.

Heavy Fuel Oil

An instrument for indicating or measuring a small electric current by means of a mechanical motion derived from electromagnetic or electrodynamic forces produced by the current.

A general name for instruments which detect the presence of (but do not necessarily measure) small electrical charges by electrostatic means. Compare to electrometer.

A unit of power equal to one joule per second or 10' ergs per second.