. Thus to set the sight for 500
yards the index line of the slide is brought in exact line with
the line on the leaf below the figure 5 and the slide clamped.
To set for 550 yards the index lines of the slide are set half
way between the index lines on the leaf below the figure 5 on
the right side and the figure 6 on the left side. Look at your
sight carefully when setting it and take great pains to get it
exact. An error in setting the width of one of the lines on the
leaf will cause an error of about 8 inches in where your bullet
will strike at 500 yards.

The WIND GAUGE is adjusted by means of the windage screw at the
right front end of the base of the sight. Each graduation on
the wind-gauge scale is called a "point." For convenience in
adjusting the line of each third point on the scale is longer
than the others. If you turn the windage screw so that the movable
base moves to the right, you are taking right windage, which
will cause your rifle to shoot more to the right.

It is seldom that a rifle will shoot correctly to the point aimed
at at a given range with the sights adjusted exactly to the scale
graduations for that range. If your sight is not correctly adjusted
for your shooting and you wish to move it slightly to make it
correct, remember to move it in the direction you wish your shot
to hit. If you wish to shoot higher raise your sight. If to the
right, move the wind gauge to the right. Always move your sight
the correct amount in accordance with the following table:

SECTION 3. TABLE OF SIGHT CORRECTIONS.

_Showing_to_what_extent_the_point_of_impact_is_moved_by_a_change_
_of_25_yards_in_elevation_or_1_point_in_windage._

Correction Correction
by a change by a change
Range. in elevation in windage
of 25 yards. of 1 point.
-------- -------------- -------------
_Yards._ _Inches._ _Inches._
100 0.72 4
200 1.62 8
300 2.79 12
400 4.29 16
500 6.22 20
600 8.59 24
800 15.43 32
1,000 25.08 40

An easy rule to remember the windage correction by is: "A change
of 1 point of wind changes the point of impact 4 inches for every
100 yards of range."

Copy this table and take it to the range with you.

Example of sight ad