In the days of tall ships the barometer was a glass vessel with a thin stem. The fluid in the glass (in most cases water) would move up and down the stem as the pressure of the surrounding atmosphere changed. These movements were used to predict changes i ...

Same as contact anemometer.

These are official trade shipping terms agreed by the International Chamber of Commerce, Paris.

The range of the stress-intensity factor during a fatigue cycle.

Tanker Sulphuric Acid.

Part of a computer word that has meaning in itself, often, a byte.

The ability of a boat to keep from being moved sideways by the wind. Keels, daggerboards, centerboards, and leeboards are all used to improve a boat's lateral resistance.

A drag-type wind machine that can react to wind from any direction.

Type Rating Certificate

A projecting aperture at the end of a tube, pipe etc. serving as an outlet for compressed air. Reduces the demand on the compressor by generating the highest thrust and volume for the lowest possible air consumption.

A non-crystalline semiconductor material that has no long-range order.

Numerous, very fine cracks in a coating or at the surface of a metal part. Checks may appear during processing or during service and are most often associated with thermal treatment or thermal cycling. Also called check marks. checking, or heat checks.

A very sensitive electrostatic electrometer for measuring small potential differences.

Those elements of building used to control the interior climate.

AMMONIA (Anhydrous). Gas usually carried by LPG tankers at about -50 deg.c. Lighter than air, it is easily escaping from any openning and be highly dangerous to inhale in great uantity. Reacting violently with water. All degrees centigrade: Boiling point: ...

A decrease in the polarization of an electrode; the elimination or reduction of polarization by physical or chemical means; depolarization results in increased corrosion.

An indentation of the coastline between two headlands.

Investment in items other than stocks, bonds or other securities. Wine, art, antiques are.

see Peak Power

To heat a gaseous mixture to the temperature at which combustion takes place.