WHERE
TO
FIND
THEM
1 ELEVATION KNOB
Adjusts elbow telescope elevation.
2 ELEVATION MICROMETER SCALE
Each graduation = 1 mil.
Numbered at 10-mil intervals.
Black numbers 0-100 mils - read elevation.
Red numbers 0-100 mils - read depression.
3 ELEVATION SCALE
Each graduation = 100 mils.
Numbered at 100-mil intervals.
Black numbers 0-800 mils - read elevation.
Red numbers 0-400 mils - read depression.
4 ELBOW TELESCOPE TUBE LEVEL
Shows when elbow telescope is level.
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