OF SILK. 241 



different revolutions of the thread upon 

 the fame parts of the red. And therefore 

 it was contrived that the jniide-ftick fliould 

 be moved by a fet of three or four wheels 

 W'ith teeth, or cogs communicating with 

 that on the axle of the reel. But thefe 

 being made of wood, and frequently break- 

 ing, and going out of order, occafioned de- 

 lay and lofs in the reeling of the filk ; he 

 therefore revives the m.ethod of working 

 by the band, and to keep it always at the 

 frame degree of extenfion j contrives that 

 the wheel I. which moves the guide-flick 

 fhould turn upon an axle, which is fixed 

 in one end of a bar of wood, W X, this bar 

 is moveable on a pin. y. paffing through a 

 hole in its other end, (the lower part of 

 that piece of wood through which the 

 guide- Rick goes and returns may ferve for 

 this purpofe) then the end W. on vv'hich 

 the guide-wheel turns is drawn by a firing 

 palling over a pully near S, to which a 

 weight of one or two pounds is faftened. 

 And thus the band is kept conftanly at the 

 fame ft: retch. 



The next defecl was found in the fmall 

 puUies, or bobins, whofe ufe as mentioned 

 in the foregoing chapter, vv'as to fqueeze 



R fome 



