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Page Title:
Figure 4.2-20b Plotting East/West Direction |
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|  Measuring Courses Summary
1. Always estimate the answer first.
2. Span dividers along the course line.
3. Place the straightedge against the dividers and slide it until the grommet is over a
meridian or parallel. (Figure 4.2-20a)
Figure 4.2-20a Plotting East/West Direction
4. When placing a meridian under the grommet, read the course from the outer scales.
(Figure 4.2-20b)
Figure 4.2-20b Plotting East/West Direction
4.6-39
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