326 
MINUTES OF PROCEEDINGS OF 
Thus, at 100 yds. t = *2356. 
_y 02356) 
ft. 
# 100 “ 
2 
X 1-196*4 =4-587 
y m = f X -5021 X '9299 = 7*515 
y m —l x *7934 x *6386 = 8'155 
y m ~i X 1*1040 x *3280 = 5*828 
#500 = 0 
Greatest height of trajectory = ^ ^ = 8’249 ft. 
Teajectoey or Maettni-Heney Riele at 500 yds. 
O 100 £00 300 400 500 
For low angles of elevation, trajectories computed on this principle 
are very approximately correct. 
R.M. Academy, 
October, 1875. 
