OF SILK. 247 



it. He fays indeed, that the women who 

 reel the pods will with difiicLilty be brought 

 to life it, becaufe the threads thus croilliig 

 twice are liable to be broken, and occafion 

 delay, efpecially if they are not kept- clear 

 of any flofs, or burr, which is apt to rife 

 cither from the pods not being at tirft 

 well clear'd of the flofs, or from the water 

 being too hot. Mr. Vaucanfon therefore 

 propofes this double croiTing chiefly for fuch 

 filk as is to ferve for warp ; which, becaufe 

 it fuffers a confiderable ilrefs in the oper- 

 ation of weaving, is therefore to be made 

 more compact and ftrong. 



It may be obferved that the apparatus 

 of the wooden ring is only for the readi- 

 nefs of crolFing the two threads, for they 

 may i-eceive a double crolTing by means of 

 two little hooks plac'd at each extreme of 

 a flick fix inches Ion 2:, and fixed in its 

 middle point upon another, fo as to form 

 the figure of a T. this being placed erecl 

 in the place of the wooden ring, the two 

 threads v/hich pafs parallel over its hooks 

 will receive the double croirmg, by taking 

 off the top of the T. which is only faflen- 

 ed by a hole in its middle ; and^ after it 

 R 4 has 



