( 115 ) [SAW 



although varied in size and form, do not range much beyond 

 the " web-saw," " jigger- saw," " veneer-saw," " circular- 

 saw," " swage- saw," " drunken- saw " and " band-saw." 



Saw (Inventor of). Dsedalos, a Greek, who formed the Cretan 

 labyrinth, etc., is said to have invented the saw, the axe, 

 the gimlet, and other carpenter's tools. 



Saw (in Christian art). The saw is an attribute of St. Simon 

 and St. James the Less, in allusion to the tradition of their 

 being sawn to death in martyrdom. 



Saw Arbor. The shaft and bearings in which a circular saw is 

 mounted. Also called " Mandrel." 



Saw Doctor. A mechanic skilled in the care, repair, and manage- 

 ment of saws. 



Saw Falling. The sizes and quality cut from the log according 

 to the judgment of the sawyer. Without selection ; unclassi- 

 fied. 



Saw Guide. A device for steadying a circular or band log saw. 

 Saw Kerf. The width of cut made by a saw. 



Saw Logs. Logs after they have been cut down and before they 

 reach the mill to be sawn up. 



Saw Pit. An excavation in the ground used for sawing purposes, 

 in which the under-sawyer stands. 



Saw-sharpening Machines. Used for sharpening saws, working 

 either automatically or only partially so. It is usual to 

 use an emery-wheel for grinding the teeth ; a file when very 

 fine saw-teeth have to be dealt with. 



Saw through and through. To make all cuts on the log parallel. 



Saw Timber. Logs suitable in size and length for the production 

 of merchantable lumber. In America all trees which would 

 make a log 8 in. and iipwards in diameter and 8 ft. in length. 



Sawing, Radial and Tangential. Details of prime consideration 

 in certain woods, and their behaviour in seasoning, etc., 

 independent of the question which plane is the best to 

 develop the figure or beauty of wood. " Radial " is the 

 line followed in " quartering " wood (instance oak, to obtain 

 " facial figure "), or to saw on lines suggested by the radia- 

 tion of spokes in a wheel ; oak- veneers, other than pollard 

 are "radially-cut." "Tangential" is cutting at an angle 

 of 90 degrees from the radial plane, on which line the 

 " bird's-eye figure " in sugar- maple is found or won. Ve- 

 neers from a " rotary-cutting " machine are tangential, 

 the tangent there being a circular line, hence " three-ply " 

 and " multi-ply " boards are " tangentially cut." See 

 " Figure in Wood." 



