CYL] (34) . 



Customary Square. See " Square." 



Customs Measure. Refers to goods measured by Customs Fund 

 officials who issue " Blue-Books " of contents. It is the 

 old working machinery that obtained in the days of duties 

 on imported wood, kept active for the benefit of the public 

 and supported by the merchants requiring their services. 

 When called upon they require instructions, what form of 

 measure is required "actual" or "customary," "string" 

 or " calliper," and what divisor they are to use in or on 

 square, waney or round timbers. See " Customary," 

 "Actual" and " Hoppus's Measure." 



Cut. In timber sawing a longitudinal cut through the width 

 of the deal is termed a " deep cut " ; through the thickness, 

 a "flat cut " ; across the grain, a " cross cut " ; sawn into a 

 triangular section, is said to be cut " arris wise." Also 

 an American term for a season's output of logs or sawn wood 

 from a sawmill. 



Cut Over. A district or forest from which all the merchantable 

 timber has been taken. 



Cutter-block. The revolving portion of a planing or moulding 

 machine that carries the knives or shaped tools which work 

 the tongues, grooves and mouldings. 



Cutter Grinding Machine. A machine for sharpening long plane 

 irons used on wood-planing machines. The cutter is fixed 

 to a canting plate, which is set to give the required bevel. 

 The plate is attached to a reciprocating slide, to which 

 motion is imparted either by hand or power. The cutter 

 is brought up to a emery wheel or cup which grinds the 

 cxitter to the required bevel. 



Cutter Head. The shaft of a planing machine on which is mounted 

 one or more cutting knives. 



Cutting. The act of sawing, understood to imply to the deep 

 way of the wood, or cutting the faces of boards and planks, 

 not the edges, in which case the operation is termed " rip- 

 ping " (which see}. A slip of a tree for grafting. 



Cyclone. A cylindrical receptacle for receiving dust or refuse 

 from machinery. See " Cyclone Dust Collector." 



Cyclone Dust Collector. A cylindrical drum of galvanized iron 

 terminating in a long cone. A metal worm extends round 

 the inner surface. Air laden with dust or shavings is blown 

 into an opening at the top and passes round the cone with 

 a spiral motion. The air escapes from an opening in the 

 top, while the wood refuse falls out at the bottom. 



Cylinder Saw. A steel shaft and a cast-iron head to which is 

 fastened a steel drum or cylinder, the walls of which are 



