246 THE CULTURE 



with which it began, it will only keep them 

 of the fame thicknefs with one another in 

 correfponding parts. For the addition of 

 pods on one fide or the other, in order to 

 bring the crofs to the middle, may happen 

 to be fuperadded 10 equally, that, tho' the 

 threads equal one another, yet at long run 

 you fliall either add more thicknefs to 

 each thread than you fet out with, or fall 

 Ihort of it ; fome regard mufl therefore 

 be had to the number of filk-pods with 

 v/hich the threads were begun, fo as not 

 confiderably to encreafe or leflen their 



number. 



Mr. Vaiicanfon obferves that when the 

 crofs fwerves much to the {\diQ, of the weak- 

 er thread, -and remains long in that t1tu- 

 ation, the thread is then apt to break ; he 

 therefore fometimes made the crofs fland 

 between the fangs of a fm.all fork, that 

 young beginners, who were not expert at 

 reeling in crofs, might have time to add 

 frefh pbds to the weaker thread, the folk 

 confining the crofs fo as not to let it fwerve 

 much. 



Thus I liave given the fcope of Mr. Vau^ 

 canfons improvement of the double crof- 

 fmg, and the advantages he propofes from 



it. 



