TM 5-6675-306-14
VERTICAL OR HORIZONTAL
MICROMETER CIRCLE SCALE
CIRCLE SCALE
1
CALIBRATED IN NUMBERED
1
CALIBRATED IN THREE-DIGIT
AND UNNUMBERED LINES
INTERVALS TOTALING 360
FROM 0'0" to 9'59".
DEGREES.
2
DISTANCE BETWEEN SINGLE-
2
DISTANCE BETWEEN NUM-
DIGIT INTERVALS REPRESENTS
BERED LINES REPRESENTS
TEN MINUTES
10 SECONDS. DISTANCE BE-
3
USED TO MEASURE ANGLES IN
TWEEN UNNUMBERED LINES
DEGREES TO NEAREST 10
REPRESENTS ONE SECOND.
MINUTES
3
USED TO MEASURE MINUTES
AND SECONDS ON BOTH
VERTICAL AND HORIZONTAL
SCALES.
Figure 2-14. Controls and instruments (Sheet 3 of 4).
2-23
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