A test applied to the first machine of anew design.

To spill the sails is to take the wind out of the sails, either by heading up into the wind, or by easing the sheets to the point where the sails can hold no wind.

The fine particulate matter entrained in the flue gases of a combustion power plant.

An element that can control current without moving parts, heated filaments, or vacuum gaps.

To braid used with small stuff.

Said of a wind when it is light and variable in direction, not blowing steadily from any direction.

The forward part of a boat's main deck.

To lift or raise, such as a sail or a flag.

One or more circuits of a distribution system on the same line or poles or supporting structures' usually operating at a lower voltage relative to the transmission line.

Unforeseeable events, beyond the control of participants in a contract, which may excuse either side.

A ship builder, or one who works about a ship. Does wood carpentry on the ship and keeps ships faired. Builds launching ways and launches ship.

Has to do with the properties of air-water vapor mixtures in the atmosphere.

A sail having battens that run the full horizontal length of the sail.

A compressor belonging to the group of displacement rotary compressors, a type of valve less displacement machine. Also referred to as "Roots blower".

A transportation arrangement in which truck trailers with their loads are moved by train to a destination. Also known as Rail Pigs.

A local taxation system which was introduced on 1st April 1993 to replace the previous and.

The index of the share prices of the companies which are listed in the FTSE Actuaries All-Share.

Meteorological information issued by a watch office concerning the occurrence or forecast of weather phenomena which may affect the safety of aircraft operations.

A charge for delaying a steamer beyond a stipulated period.

Is the total gas pressure (static plus velocity) at the discharge port of the compressor. Velocity pressure is considered only with dynamic compressors.