If the staff is not held vertical at a leveling station, the reduced level calculated from the observation would be
a) true R.L
b) more than true R.L
c) less than true R.L
d) none of these
If the staff is not held vertical at a leveling station, the reduced level calculated from the observation would be
a) true R.L
b) more than true R.L
c) less than true R.L
d) none of these
