1.6.2 Distance Measurement
After the same steps 1 -6 of Chapter 2.2.1 Height Measurement.
Upper cross-hair: 2.670 m, bottom cross-hair: 2.502 m
Interval L: 0.168 m, based on the formula distance= 100 x L
Distance d: 16.8 m
1.6.3 Angle Measurement
The bottom horizontal disk can be the reference of angle measurement in 360°/ 400
gon, each 1 scale means 1 degree.
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