206 THE SPORTSMAN IN FRANCE. 



err one-sixteenth part of an inch, one 

 hundred yards, or thirty-six hundred 

 inches, will err 4.7 of an inch, or four 

 inches and three quarters. Then multiply 

 4.7 of an inch by the sixteenth of an 

 inch, and it gives 72.2, which shews 

 that, at the end of one hundred yards, 

 the original error has increased upwards 

 of seventy-five times. 



This will at once convince you of the 

 extraordinary deviation of a rifle bullet 

 when the sights are but the sixteenth part 

 of an inch out of the true line. This is 

 but one of the errors. Moving the gun in 

 pulling the trigger would also increase it 

 in precisely the same way. The practical 

 part of all this is familiar to the western 

 hunter, but not to the rifle smith, as no 

 rifle shoots true when first taken from the 

 shops. 



In shooting, exposed to the sun, there 

 is sometimes such a glare that you can- 



