Explanation:
Example 1
1. Read the bottom Degree scale B in relation to the “0”line on the top vernier scale A. It is past the 85 but not quite to the 86. So it is 85 point something. 85._ _
2. Next go to the vernier scale A (Top). Find the line that is most directly aligned with the line on the bottom Degree Scale B (Indicated by the Blue Arrows) always reading to the left of zero when calculating a positive number. Notice they do not align perfectly but are the closest. So we have 85.9 to this point. 85.9_
3. Since the line below the 10 hasn’t reached the line below it (Green Arrow) and the line of the 9 is just past the line below it, we can calculate approximately it to be .05. Example 1 is 85.95°.
Math
85.00
+ .9
= 85.9
+ .05
= 85.95°
Explanation:
1. Read the bottom Degree scale B in relation to the “0”line on the top Vernier scale A. It is above the 86 and below the 87 as shown with the Red arrows. So our first number is 86.__
2. Next go to the vernier scale A(Top). Find the line that is most directly aligned with the line on the bottom Degree Scale B (Indicated by the Blue Arrows) always reading to the left of zero when calculating a positive number. The 6 line is aligned with the one below it. So our reading is 86.60
Math
86.00
+ .6
= 86.6
+ .00
= 86.60°
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