TOURNAMENT LINES 131 



These sizes have been compared with those 

 employed by a very large number of British, 

 Scotch, and American makers and dealers. The 

 average variation is so slight that they have 

 been found very satisfactory. 



To assist those who do not possess microme- 

 ter calipers, but have access to the standard wire 

 guage, the following table may be of interest. 

 It is that adopted by Brown & Sharpe, and is 

 known as the American wire guage. 



Number Inch Number Inch 



14 064 20 031 



15 057 21 028 



l6 050 22 025 



17 045 23 022 



18 040 24 020 



19 035 



