A measure of seasonal or annual efficiency of a central air conditioner or air conditioning heat pump. It takes into account the variations in temperature that can occur within a season and is the average number of Btu of cooling delivered for every watt- ...

The largest of the headsails; corresponds to the genoa.

Plating with dummy cathodes.

When the draft of a ship fore and aft are the same. Floating level (no list).

A sunshine recorder of the type in which the time scale is supplied by a chronograph. It consists of two bulbs, one of which is blackened, which communicate through a glass tube of small diameter. The tube is partially filled with mercury and contains two ...

General Council of British Shipping

Office of Naval Research

A component of a heating or ventilation appliance used to conduct fresh air into, or waste air or combustion gases out of, an appliance or interior space.

The unit of speed in the nautical system; one nautical mile per hour. It is equal to 1.1508 statute miles per hour or 0.5144 meters per second.

One carrier assumes the charges of another without any increase in charges to the shipper.

The situation of a vessel when listed over by the wind to such an extent that she does not recover.

A mast that is stepped (placed) on the deck of a boat rather than through the boat and keel stepped. The mast of a deck stepped boat is usually easier to raise and lower and are usually intended for lighter conditions than keel stepped boats.

A mutual fund which invests in a balance of common stock, bonds and preferred stock with an.

National Cargo Bureau

A small anemometer with flat vanes which indicates the number of linear feet or meters of air which have passed the instrument during its exposure.

A generic term for microstructures formed by diffusionless phase transformation in which the parent and product phases have a specific crystallographic relationship. Martensite is characterized by an acicular pattern in the microstructure in both ferrous ...

Underwriters Lab.

A movable plate used to control air flow; in a wood stove or fireplace, used to control the amount and direction of air going to the fire.

The amount of interest due on bonds and dividends due on cumulative preferred stock but as yet.

A type of climatic diagram whose coordinates are some form of temperature vs. a form of humidity or precipitation.