Figure 8-10. Elbow telscope (Sight Units)-assembled

TM 9-258

view, reticle pattern.

c. The elbow telescope illustrated in figure 8-11

is the basic instrument used for laying the towed howitzer

in elevation for direct fire. It is mounted and bore-sighted

in a mechanism which is integral with the upper part of

the elevation quadrant. The instrument is basically

Figure 8-11. Elbow telescope (Towed Howitzer)-

similar in function to other direct fire telescopes now in

assembled view.

use except for a reticle presentation of multiple ballistic

data and use of a moveable range marker than can be

d. The elbow telescope illustrated in figure 8-12

set to range values for direct fire. This elbow telescope

is the direct fire telescope used for positioning the

has a field of view of 142 mils and a 8X magnification.

howitzer on targets visible from the vehicle.

8-7