.....The TELE-HEIGHT comes in a case as shown left, being 2-1/4" x 4-1/4".
.....Actual size is as lower left image.
.....This handy little tool helps to figure quickly and accurately the height of cables, trees, poles, or buildings. Looking at the diagram below, the lineman moves back and forth until the bubble is in the center of the hair-line and the cable is in the center of the scope. Distance A + B = the height off ground.

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