24 



RAW-SILK. 



(C.) his threads, and never to add more than one or two 

 su^c^ons cocoons at a throw when he spins fine, nor more 

 'aws1ik° ^^^^ three or four when he spins coarse, otherwise 

 his silk will he knotty and uneven ; a defect very 

 much complained of hy the purchaser. 



13. The silk for samples, spun with the cocoons 

 of the produce of each bund, if spun with the exact 

 number of cocoons, and attention as before di- 

 rected, will be as perfect as any of the best from 

 Italy, provided the cog-wheels are kept in proper 

 order. 



14. Suspecting that the cog-wheels were not 

 exact to the number of teeth, brass models were 

 sent in the year 1800, by means of which the turner 

 could not miss the size of each, but cut the teeth 

 exactly to the number required. That is to say, 

 one cog-wheel of thirty-five teeth, which lies upon 

 the frame and directs the motion of the stick which 

 conveys the silk to the reel ; two cog-wheels of 

 twenty-two teeth each, one of them being fixed 

 to the silk reel and the other to the end of the 

 stick which communicates to the thirty- five-teeth 

 wheel. Another is made to contain twenty-five 

 teeth, and is fixed to the other end of the said 

 stick. 



The workmen cannot make any mistake except 

 in placing them ; which is, the thirty -five-teeth 

 cog-wheel should join with the twenty-two-teeth 

 one at the end of the stick ; and the other end of 

 the said stick with the twenty-five-teeth wheel 



should 



