( 137 ) [STU 



plumbers to gauge the thickness when casting sheet-lead ; 

 (6) with plasterers in getting even- faces on wall, etc., when 

 " rendering " or " floating " their work. 



Striking Gear. An attachment of levers to regulate the starting 

 or stopping of machinery, by throwing the driving belt on 

 or off the pulley. 



String-board or String- piece. Another term for the " wall- 

 board " of a staircase, " housed " or prepared to receive 

 the ends of the " steps." It extends to, or embraces, the 

 " box " or " boxed " string at the opposite end of the step 

 (if no wall is there present) ; a variant form of the latter 

 is " cut-string," which means that part is cut away for the 

 step-ends to run over. In one case the balusters stand on 

 the " string " ; in the other on the exposed " step-en'ds." 

 See "Staircase" and "Nick and Notch." 



Stringcourse. A projecting horizontal band or line of moulding 

 in or on a building, used to denote floor-lines, or continued 

 sill-lines. In some periods of Gothic architecture they 

 were developed into chaste and beautiful features. In later 

 brickwork it is often a flat band. 



String Measure. A measure of timber taken to half-inches by 

 a string round the centre of a log and doubled twice to 

 quarter girth ; lengths are taken to feet only and allow- 

 ances for defects are made in the length. See " Liverpool 

 String Measurement." 



Stringers. Pieces of wood into which other pieces are fitted and 

 which hold the whole together, as, for instance, the side 

 pieces of a ladder. 



Stringy Bark is a name given to various Eucalypts growing in 

 South Australia and Tasmania. 



Structural Timbers. Timbers used for a framework or for the 

 essential parts of a whole structure. 



Struts. In carpentry, any piece that keeps two others from 

 approaching, and is therefore in itself in a state of com- 

 pression, the opposite of "tie." In flooring, short pieces of 

 timber about Ij in. thick, and 3 to 4 in. wide, inserted 

 between flooring joists, sometimes diagonally to stiffen 

 them. In roofing larger and varied in size. See " Bridging." 



Stub, and Stubbing. A stock, a stem, a log, a block, usually 

 applied to a stump with a root, such as are grubbed up, 

 or " stubbed up." Its diminutive is " stubble." 



StudjOr Studs. (1) The intermediate posts in partitions of wood- 

 work. They are also called uprigJils or quarters. In this 

 position they are modern representatives of the older and 



