(1) Triangular windmill SAILS of cloth, wound round radial sail arms with the tip of the sail corded to the next arm, on Mediterranean-type mills. (2) Sails with leader boards which pass air behind main section of sail to provide 'lift' or suction, as on aircraft wings or dinghy sails.
A machine for reducing or making finer the stock or PULP before it passes to the paper-machine. It has a cone with knives around its circumference which rotates within another, also fitted with knives. It was invented by J. Jordan, Hartford, Connecticut, U.S.A. in 1859.
(1) A served apprentice qualified to practice his trade as an employee of a Master; a qualified tradesman who works for another.
(2) A tapered piece of timber inserted between the STOCK and WHIP near the stock's end to force the sails to describe a dished plane when turning. (Suffolk).