THE SPORTSMAN IN J-RANCE. 205 



Although the sights be only the six- 

 teenth of an inch out of the true line, it 

 will, in the distance of a hundred yards, 

 cause an aberration of four inches and 

 seven-tenths. A good rifle shoots a ball 

 for a hundred yards in a straight line, 

 point it as you will. 



Lay down a straight line a hundred 

 yards in length ; then lay down another 

 of the same length, beginning at the 

 same point, and let it pass through a 

 point four feet distantfrom the beginning, 

 and one sixteenth of an inch from the 

 second point, you will find this second 

 line to be constantly diverging from the 

 first ; and at the end of one hundred 

 yards, will be distant from the first, four 

 inches and seven-tenths. 



Suppose the rifle barrel four feet long, 

 and the hind-sight one-sixteenth part of 

 an inch too much to the right or left ; 

 then, if four feet, or forty- eight inches, 



