10
Fig. 7
Fig. 8
Difference L = 1.480m -1.328m = 0.152m
Distance D = 100 * L = 15.2m
2.3.4 Angle Measurement
• Direct instrument to staff A and turn
Horizontal Circle to “0” (fig. 8)
• Point instrument to staff B
• Read off Hz-angle from Horizontal
Graduation Circle (fig.14): Hz = 54°