JP32 ESSAYS Ai^D OBSERVATIONS 



Tab. 8. Fig. i. Reprefents the inilrU- 

 ment for making the firft noofe. 



A. A circular piece of brafs 1 7 inch in 

 diameter, the inner fide of which is deep* 

 ly grooved for concealing the noofe of 

 the thread (Fig. 3. A^) 



B. Two tubular piecei of brafs 27 in- 

 ches long, fupporting the ring, which 

 is placed horizontally upon them. At the 

 ■upper ends of each, there is a bit of cia 

 foldered, and made round, fo as to aU 

 low the thread to Aide more eafily, and 

 to prevent it from being cut by the edges 

 of the brafs tubes. 



CC, The apertures where the ends of 

 the thread are brought out. 



D. The handle made of ftrong brafsi 

 wire, feven inches long, bent a little, 

 that the inllrument may be the more 

 eafily introduced. 



Fig, 2. The inftrument for making 

 the fecond noofe. 



A. A brafs cafe for the two wheels 

 4ths of an inch broad, and half an inch 

 deep, 



B- The 



