Adjustable stays used to support and control tension on the mast when the wind is from abaft the beam; temporary backstays used to stabilize the mast and prevent undue flexing due to the pumping action of the sea.

The difference between the discharge pressure and the intake pressure.

A transaction which leads to a chargeable gain and which in turn promotes the issuing of a.

A business owned and operated by its.

Insurance which provides an income to policyholders when they are unable to work due to an.

The payment of a dividend by a company out of its.

A layer of dust built up on an air filter.

Beams sometimes fitted over the decks for the stowage of heavy boats or cargo.

Loose and broken ice in bays, or along exposed edges of floes.

A company jointly owned by the London Stock Exchange and FT which creates and compiles financial.

The operation of swinging round, by means of braces, the yards of a square rigged ship to set the sails more efficiently to the wind.

A large reinforced eye in the leech and clew of a sail that allows a line to fasten to it; e.g., the reef cringle and clew cringle.

An able-bodied seamen entrusted with the steering of a vessel when entering or leaving a harbor. He is also involved with the use and upkeep of navigational equipment.

Air at a temperature of 68

A type of solar thermal system where air is heated in a collector and either transferred directly to the interior space or to a storage medium, such as a rock bin.

The Chicago Mercantile Exchange (or Merc) was called the Chicago Butter and Egg Board until 1919 and.

A bolted rim used for attachment to another object.

Thin plates attached to the exterior of the hull to deaden any rolling.

A reference book named after the original author, Nathaniel Bowditch. Updated versions contain tables and other information useful for navigation.

On a square-rigged ship, the short pieces of line which hang from the yards and support the footropes on which the topmen stand while working aloft on the sails.