An ion counter of the aspiration condenser type, used for the measurement of the concentration and mobility of small ions in the atmosphere.

A fractographic pattern of radial marks (shear ledges) that look like nested letters "V"; sometimes called a herringbone pattern. Chevron patterns are typically found on brittle fracture surfaces in parts whose widths are considerably greater than their t ...

An instrument which records the duration of sunshine and gives a quantitative measure of the amount of sunshine by the action of the sun's rays upon blueprint paper. A type of sunshine recorder.

An instrument used to keep a record of atmospheric pressure, such as on a paper drum.

Are any material with an affinity for moisture. These analyzers use sensing elements that contain moisture adsorbing material. A change in the moisture content of the element is detected by an electric network and is used as a measurement of dew point

Marine Assistance Request Broadcasts.

The pressure unit of the meter-ton-second system of physical units. equal to 10 millibars or 101 dynes per cm2.

(1) An iron mineral crystallizing in therhombohedral system; the most important oreof iron. (2) An iron oxide, Fe,O,, corrcsponding to an iron content of approximately 70%.

The temperature of a medium, such as gas or liquid, which comes into contact with or surrounds an apparatus or building element.

Loading Instrument

A term used on the London Stock Exchange to describe a share purchase or sale. The term does not.

The gingerbread woodwork on the stern of old sailing ships.

To revolve the drum of a capstan, winch or windlass. (Pulling with mechanical deck heaving gear).

The demand on, or the power output of, an electrical system or any of its parts over an interval of time, as determined by the total number of kilowatt-hours divided by the units of time in the interval.

A measure of the relative power, or of the relative values of two flux densities, especially of sound intensities and radar power densities. The decibel is derived from the less frequently used unit, the bel, named in honor of Alexander Graham Bell.

Mobile Offshore Drilling Unit.

An interior wall made of water filled containers for absorbing and storing solar energy.

A factor of proportionality representing the amount of substance diffusing across a unit area through a unit concentration gradient in unit time.

In the US, the total number of shares which a corporation may issue, in accordance with the limits.

Woods Hole Oceanographic Institution