( 113 ) [SAS 



Sandpapering Machines. Machines for sanding wood to save 

 hand labour. They are made in several types. See 

 " Flexible Arm " and " Bobbin Sandpapering Machines." 



Sap Stain. A discoloration of the sapwood which cannot be 

 removed by a reasonable amount of dressing. 



Sapling. In forestry, a tree 3 ft. or over in height. A " small 

 sapling" from 3 to 10 ft. in height. A "large sapling" 

 10 ft. or over in height. 



Saps. A term used in the American, hardwood trade for pieces 

 containing all or part sapwood withotit any limit. 



Sarking-boards. An old term from the Saxon " sark '' a shirt. 

 Covering board of a roof fixed under the slates, often wrought 

 and seen underneath where the timbering is wrought or 

 exposed. A Scotch term for thin sawn boards, usually f in. 

 thick, used as roofing boards. 



Sash. The framed casement part of a window in which the 

 glass is fixed. See " Sash Window." 



Sash Cord. A twisted or plaited hempen-cord, used for hanging 

 sashes or casements in a sash frame ; in large " sash win- 

 dows " copper cords or chains of metal are used as superior 

 articles. See " Sash Window." 



Sash Fastener. A piece of mechanism in brass or iron, the sub- 

 ject of many patents, to fasten and unfasten the casements 

 of a " sash window " (which see). 



Sash Frame. The outer frame with sill, in which the sliding 

 sashes or casements are suspended. See " Sash Window." 



Sash-head. The top horizontal part of a sash frame in an ordi- 

 nary building ; but in superior work often " circular-headed " 

 and" even circular in plan. See " Sash Window." 



Sash Linings. The inner and outer facings of a sash frame 

 (which see) affixed to the "pulley stiles" (which see), and 

 the "heads" of these are the "inside lining" and the 

 " outside lining," the latter the broadest, as it projects 

 about two-thirds of an inch, and is generally beaded on 

 one edge on the face. See " Sash Window." 



Sash Pockets. Portable openings in the lower parts of "sash 

 stiles" to admit the insertion or removal of "sash weights " 

 (ivhich see) ; the piece cut out is usually made to cover the 

 same hole, and to be secured in place with a screw. See 

 " Sash Window " and " Mouse." 



Sash Pulley. Formerly, or in the seventeenth century, a block 

 of oak mortised for and receiving a turned boxwood pulley 

 or sheaf. They were inserted but not screwed or fastened 



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